20603520

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{73}}^1$

素因数の和:112

約数の個数: 288

約数和(自身を含む): 83896020

約数和(自身を除く): 63292500

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 73, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 146, 147, 160, 168, 180, 192, 196, 210, 219, 224, 240, 245, 252, 280, 288, 292, 294, 315, 320, 336, 360, 365, 384, 392, 420, 438, 441, 448, 480, 490, 504, 511, 560, 576, 584, 588, 630, 640, 657, 672, 720, 730, 735, 784, 840, 876, 882, 896, 960, 980, 1008, 1022, 1095, 1120, 1152, 1168, 1176, 1260, 1314, 1344, 1440, 1460, 1470, 1533, 1568, 1680, 1752, 1764, 1920, 1960, 2016, 2044, 2190, 2205, 2240, 2336, 2352, 2520, 2555, 2628, 2688, 2880, 2920, 2940, 3066, 3136, 3285, 3360, 3504, 3528, 3577, 3920, 4032, 4088, 4380, 4410, 4480, 4599, 4672, 4704, 5040, 5110, 5256, 5760, 5840, 5880, 6132, 6272, 6570, 6720, 7008, 7056, 7154, 7665, 7840, 8064, 8176, 8760, 8820, 9198, 9344, 9408, 10080, 10220, 10512, 10731, 11680, 11760, 12264, 13140, 13440, 14016, 14112, 14308, 15330, 15680, 16352, 17520, 17640, 17885, 18396, 18816, 20160, 20440, 21024, 21462, 22995, 23360, 23520, 24528, 26280, 28032, 28224, 28616, 30660, 31360, 32193, 32704, 35040, 35280, 35770, 36792, 40320, 40880, 42048, 42924, 45990, 46720, 47040, 49056, 52560, 53655, 56448, 57232, 61320, 64386, 65408, 70080, 70560, 71540, 73584, 81760, 84096, 85848, 91980, 94080, 98112, 105120, 107310, 114464, 122640, 128772, 140160, 141120, 143080, 147168, 160965, 163520, 171696, 183960, 196224, 210240, 214620, 228928, 245280, 257544, 282240, 286160, 294336, 321930, 327040, 343392, 367920, 420480, 429240, 457856, 490560, 515088, 572320, 588672, 643860, 686784, 735840, 858480, 981120, 1030176, 1144640, 1287720, 1373568, 1471680, 1716960, 2060352, 2289280, 2575440, 2943360, 3433920, 4120704, 5150880, 6867840, 10301760, 20603520]

約数ペア:

[(1, 20603520), (2, 10301760), (3, 6867840), (4, 5150880), (5, 4120704), (6, 3433920), (7, 2943360), (8, 2575440), (9, 2289280), (10, 2060352), (12, 1716960), (14, 1471680), (15, 1373568), (16, 1287720), (18, 1144640), (20, 1030176), (21, 981120), (24, 858480), (28, 735840), (30, 686784), (32, 643860), (35, 588672), (36, 572320), (40, 515088), (42, 490560), (45, 457856), (48, 429240), (49, 420480), (56, 367920), (60, 343392), (63, 327040), (64, 321930), (70, 294336), (72, 286160), (73, 282240), (80, 257544), (84, 245280), (90, 228928), (96, 214620), (98, 210240), (105, 196224), (112, 183960), (120, 171696), (126, 163520), (128, 160965), (140, 147168), (144, 143080), (146, 141120), (147, 140160), (160, 128772), (168, 122640), (180, 114464), (192, 107310), (196, 105120), (210, 98112), (219, 94080), (224, 91980), (240, 85848), (245, 84096), (252, 81760), (280, 73584), (288, 71540), (292, 70560), (294, 70080), (315, 65408), (320, 64386), (336, 61320), (360, 57232), (365, 56448), (384, 53655), (392, 52560), (420, 49056), (438, 47040), (441, 46720), (448, 45990), (480, 42924), (490, 42048), (504, 40880), (511, 40320), (560, 36792), (576, 35770), (584, 35280), (588, 35040), (630, 32704), (640, 32193), (657, 31360), (672, 30660), (720, 28616), (730, 28224), (735, 28032), (784, 26280), (840, 24528), (876, 23520), (882, 23360), (896, 22995), (960, 21462), (980, 21024), (1008, 20440), (1022, 20160), (1095, 18816), (1120, 18396), (1152, 17885), (1168, 17640), (1176, 17520), (1260, 16352), (1314, 15680), (1344, 15330), (1440, 14308), (1460, 14112), (1470, 14016), (1533, 13440), (1568, 13140), (1680, 12264), (1752, 11760), (1764, 11680), (1920, 10731), (1960, 10512), (2016, 10220), (2044, 10080), (2190, 9408), (2205, 9344), (2240, 9198), (2336, 8820), (2352, 8760), (2520, 8176), (2555, 8064), (2628, 7840), (2688, 7665), (2880, 7154), (2920, 7056), (2940, 7008), (3066, 6720), (3136, 6570), (3285, 6272), (3360, 6132), (3504, 5880), (3528, 5840), (3577, 5760), (3920, 5256), (4032, 5110), (4088, 5040), (4380, 4704), (4410, 4672), (4480, 4599)]