20991935160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{4457}}^1$

素因数の和:4580

約数の個数: 384

約数和(自身を含む): 82330344000

約数和(自身を除く): 61338408840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 89, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 178, 180, 189, 196, 210, 216, 245, 252, 267, 270, 280, 294, 315, 356, 360, 378, 392, 420, 441, 445, 490, 504, 534, 540, 588, 623, 630, 712, 735, 756, 801, 840, 882, 890, 945, 980, 1068, 1080, 1176, 1246, 1260, 1323, 1335, 1470, 1512, 1602, 1764, 1780, 1869, 1890, 1960, 2136, 2205, 2403, 2492, 2520, 2646, 2670, 2940, 3115, 3204, 3528, 3560, 3738, 3780, 4005, 4361, 4410, 4457, 4806, 4984, 5292, 5340, 5607, 5880, 6230, 6408, 6615, 7476, 7560, 8010, 8722, 8820, 8914, 9345, 9612, 10584, 10680, 11214, 12015, 12460, 13083, 13230, 13371, 14952, 16020, 16821, 17444, 17640, 17828, 18690, 19224, 21805, 22285, 22428, 24030, 24920, 26166, 26460, 26742, 28035, 31199, 32040, 33642, 34888, 35656, 37380, 39249, 40113, 43610, 44570, 44856, 48060, 52332, 52920, 53484, 56070, 62398, 65415, 66855, 67284, 74760, 78498, 80226, 84105, 87220, 89140, 93597, 96120, 104664, 106968, 112140, 117747, 120339, 124796, 130830, 133710, 134568, 155995, 156996, 160452, 168210, 174440, 178280, 187194, 196245, 200565, 218393, 224280, 235494, 240678, 249592, 261660, 267420, 280791, 311990, 313992, 320904, 336420, 374388, 392490, 396673, 401130, 436786, 467985, 470988, 481356, 523320, 534840, 561582, 588735, 601695, 623980, 655179, 672840, 748776, 784980, 793346, 802260, 842373, 873572, 935970, 941976, 962712, 1091965, 1123164, 1177470, 1190019, 1203390, 1247960, 1310358, 1403955, 1569960, 1586692, 1604520, 1684746, 1747144, 1871940, 1965537, 1983365, 2183930, 2246328, 2354940, 2380038, 2406780, 2620716, 2776711, 2807910, 3173384, 3275895, 3369492, 3570057, 3743880, 3931074, 3966730, 4211865, 4367860, 4709880, 4760076, 4813560, 5241432, 5553422, 5615820, 5896611, 5950095, 6551790, 6738984, 7140114, 7862148, 7933460, 8330133, 8423730, 8735720, 9520152, 9827685, 10710171, 11106844, 11231640, 11793222, 11900190, 13103580, 13883555, 14280228, 15724296, 15866920, 16660266, 16847460, 17850285, 19436977, 19655370, 21420342, 22213688, 23586444, 23800380, 24990399, 26207160, 27767110, 28560456, 29483055, 33320532, 33694920, 35700570, 38873954, 39310740, 41650665, 42840684, 47172888, 47600760, 49980798, 53550855, 55534220, 58310931, 58966110, 66641064, 71401140, 74971197, 77747908, 78621480, 83301330, 85681368, 97184885, 99961596, 107101710, 111068440, 116621862, 117932220, 124951995, 142802280, 149942394, 155495816, 166602660, 174932793, 194369770, 199923192, 214203420, 233243724, 235864440, 249903990, 291554655, 299884788, 333205320, 349865586, 374855985, 388739540, 428406840, 466487448, 499807980, 524798379, 583109310, 599769576, 699731172, 749711970, 777479080, 874663965, 999615960, 1049596758, 1166218620, 1399462344, 1499423940, 1749327930, 2099193516, 2332437240, 2623991895, 2998847880, 3498655860, 4198387032, 5247983790, 6997311720, 10495967580, 20991935160]

約数ペア:

[(1, 20991935160), (2, 10495967580), (3, 6997311720), (4, 5247983790), (5, 4198387032), (6, 3498655860), (7, 2998847880), (8, 2623991895), (9, 2332437240), (10, 2099193516), (12, 1749327930), (14, 1499423940), (15, 1399462344), (18, 1166218620), (20, 1049596758), (21, 999615960), (24, 874663965), (27, 777479080), (28, 749711970), (30, 699731172), (35, 599769576), (36, 583109310), (40, 524798379), (42, 499807980), (45, 466487448), (49, 428406840), (54, 388739540), (56, 374855985), (60, 349865586), (63, 333205320), (70, 299884788), (72, 291554655), (84, 249903990), (89, 235864440), (90, 233243724), (98, 214203420), (105, 199923192), (108, 194369770), (120, 174932793), (126, 166602660), (135, 155495816), (140, 149942394), (147, 142802280), (168, 124951995), (178, 117932220), (180, 116621862), (189, 111068440), (196, 107101710), (210, 99961596), (216, 97184885), (245, 85681368), (252, 83301330), (267, 78621480), (270, 77747908), (280, 74971197), (294, 71401140), (315, 66641064), (356, 58966110), (360, 58310931), (378, 55534220), (392, 53550855), (420, 49980798), (441, 47600760), (445, 47172888), (490, 42840684), (504, 41650665), (534, 39310740), (540, 38873954), (588, 35700570), (623, 33694920), (630, 33320532), (712, 29483055), (735, 28560456), (756, 27767110), (801, 26207160), (840, 24990399), (882, 23800380), (890, 23586444), (945, 22213688), (980, 21420342), (1068, 19655370), (1080, 19436977), (1176, 17850285), (1246, 16847460), (1260, 16660266), (1323, 15866920), (1335, 15724296), (1470, 14280228), (1512, 13883555), (1602, 13103580), (1764, 11900190), (1780, 11793222), (1869, 11231640), (1890, 11106844), (1960, 10710171), (2136, 9827685), (2205, 9520152), (2403, 8735720), (2492, 8423730), (2520, 8330133), (2646, 7933460), (2670, 7862148), (2940, 7140114), (3115, 6738984), (3204, 6551790), (3528, 5950095), (3560, 5896611), (3738, 5615820), (3780, 5553422), (4005, 5241432), (4361, 4813560), (4410, 4760076), (4457, 4709880), (4806, 4367860), (4984, 4211865), (5292, 3966730), (5340, 3931074), (5607, 3743880), (5880, 3570057), (6230, 3369492), (6408, 3275895), (6615, 3173384), (7476, 2807910), (7560, 2776711), (8010, 2620716), (8722, 2406780), (8820, 2380038), (8914, 2354940), (9345, 2246328), (9612, 2183930), (10584, 1983365), (10680, 1965537), (11214, 1871940), (12015, 1747144), (12460, 1684746), (13083, 1604520), (13230, 1586692), (13371, 1569960), (14952, 1403955), (16020, 1310358), (16821, 1247960), (17444, 1203390), (17640, 1190019), (17828, 1177470), (18690, 1123164), (19224, 1091965), (21805, 962712), (22285, 941976), (22428, 935970), (24030, 873572), (24920, 842373), (26166, 802260), (26460, 793346), (26742, 784980), (28035, 748776), (31199, 672840), (32040, 655179), (33642, 623980), (34888, 601695), (35656, 588735), (37380, 561582), (39249, 534840), (40113, 523320), (43610, 481356), (44570, 470988), (44856, 467985), (48060, 436786), (52332, 401130), (52920, 396673), (53484, 392490), (56070, 374388), (62398, 336420), (65415, 320904), (66855, 313992), (67284, 311990), (74760, 280791), (78498, 267420), (80226, 261660), (84105, 249592), (87220, 240678), (89140, 235494), (93597, 224280), (96120, 218393), (104664, 200565), (106968, 196245), (112140, 187194), (117747, 178280), (120339, 174440), (124796, 168210), (130830, 160452), (133710, 156996), (134568, 155995)]