20172205984

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2871

約数の個数: 192

約数和(自身を含む): 50295168000

約数和(自身を除く): 30122962016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 41, 47, 56, 68, 82, 94, 112, 119, 136, 164, 188, 224, 238, 272, 287, 328, 329, 376, 476, 544, 574, 656, 658, 697, 752, 799, 952, 1148, 1312, 1316, 1394, 1504, 1598, 1904, 1927, 2296, 2632, 2749, 2788, 3196, 3808, 3854, 4592, 4879, 5264, 5498, 5576, 5593, 6392, 7708, 9184, 9758, 10528, 10996, 11152, 11186, 12784, 13489, 15416, 19243, 19516, 21992, 22304, 22372, 25568, 26978, 30832, 32759, 38486, 39032, 43984, 44744, 46733, 53956, 61664, 65518, 76972, 78064, 87968, 89488, 93466, 107912, 112709, 129203, 131036, 153944, 156128, 178976, 186932, 215824, 225418, 229313, 258406, 262072, 307888, 327131, 373864, 431648, 450836, 458626, 516812, 524144, 615776, 654262, 747728, 788963, 901672, 904421, 917252, 1033624, 1048288, 1308524, 1495456, 1577926, 1803344, 1808842, 1834504, 1916053, 2067248, 2196451, 2617048, 3155852, 3606688, 3617684, 3669008, 3832106, 4134496, 4392902, 5234096, 5297323, 6311704, 7235368, 7338016, 7664212, 8785804, 10468192, 10594646, 12623408, 13412371, 14470736, 15328424, 15375157, 17571608, 21189292, 25246816, 26824742, 28941472, 30656848, 30750314, 35143216, 37081261, 42378584, 53649484, 61313696, 61500628, 70286432, 74162522, 84757168, 90054491, 107298968, 123001256, 148325044, 169514336, 180108982, 214597936, 246002512, 296650088, 360217964, 429195872, 492005024, 593300176, 630381437, 720435928, 1186600352, 1260762874, 1440871856, 2521525748, 2881743712, 5043051496, 10086102992, 20172205984]

約数ペア:

[(1, 20172205984), (2, 10086102992), (4, 5043051496), (7, 2881743712), (8, 2521525748), (14, 1440871856), (16, 1260762874), (17, 1186600352), (28, 720435928), (32, 630381437), (34, 593300176), (41, 492005024), (47, 429195872), (56, 360217964), (68, 296650088), (82, 246002512), (94, 214597936), (112, 180108982), (119, 169514336), (136, 148325044), (164, 123001256), (188, 107298968), (224, 90054491), (238, 84757168), (272, 74162522), (287, 70286432), (328, 61500628), (329, 61313696), (376, 53649484), (476, 42378584), (544, 37081261), (574, 35143216), (656, 30750314), (658, 30656848), (697, 28941472), (752, 26824742), (799, 25246816), (952, 21189292), (1148, 17571608), (1312, 15375157), (1316, 15328424), (1394, 14470736), (1504, 13412371), (1598, 12623408), (1904, 10594646), (1927, 10468192), (2296, 8785804), (2632, 7664212), (2749, 7338016), (2788, 7235368), (3196, 6311704), (3808, 5297323), (3854, 5234096), (4592, 4392902), (4879, 4134496), (5264, 3832106), (5498, 3669008), (5576, 3617684), (5593, 3606688), (6392, 3155852), (7708, 2617048), (9184, 2196451), (9758, 2067248), (10528, 1916053), (10996, 1834504), (11152, 1808842), (11186, 1803344), (12784, 1577926), (13489, 1495456), (15416, 1308524), (19243, 1048288), (19516, 1033624), (21992, 917252), (22304, 904421), (22372, 901672), (25568, 788963), (26978, 747728), (30832, 654262), (32759, 615776), (38486, 524144), (39032, 516812), (43984, 458626), (44744, 450836), (46733, 431648), (53956, 373864), (61664, 327131), (65518, 307888), (76972, 262072), (78064, 258406), (87968, 229313), (89488, 225418), (93466, 215824), (107912, 186932), (112709, 178976), (129203, 156128), (131036, 153944)]