20735777744

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{37061}}^1$

素因数の和:37125

約数の個数: 90

約数和(自身を含む): 46911634182

約数和(自身を除く): 26175856438

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 289, 374, 484, 578, 748, 968, 1156, 1496, 1936, 2057, 2312, 2992, 3179, 4114, 4624, 6358, 8228, 12716, 16456, 25432, 32912, 34969, 37061, 50864, 69938, 74122, 139876, 148244, 279752, 296488, 407671, 559504, 592976, 630037, 815342, 1260074, 1630684, 2520148, 3261368, 4484381, 5040296, 6522736, 6930407, 8968762, 10080592, 10710629, 13860814, 17937524, 21421258, 27721628, 35875048, 42842516, 55443256, 71750096, 76234477, 85685032, 110886512, 117816919, 152468954, 171370064, 235633838, 304937908, 471267676, 609875816, 942535352, 1219751632, 1295986109, 1885070704, 2591972218, 5183944436, 10367888872, 20735777744]

約数ペア:

[(1, 20735777744), (2, 10367888872), (4, 5183944436), (8, 2591972218), (11, 1885070704), (16, 1295986109), (17, 1219751632), (22, 942535352), (34, 609875816), (44, 471267676), (68, 304937908), (88, 235633838), (121, 171370064), (136, 152468954), (176, 117816919), (187, 110886512), (242, 85685032), (272, 76234477), (289, 71750096), (374, 55443256), (484, 42842516), (578, 35875048), (748, 27721628), (968, 21421258), (1156, 17937524), (1496, 13860814), (1936, 10710629), (2057, 10080592), (2312, 8968762), (2992, 6930407), (3179, 6522736), (4114, 5040296), (4624, 4484381), (6358, 3261368), (8228, 2520148), (12716, 1630684), (16456, 1260074), (25432, 815342), (32912, 630037), (34969, 592976), (37061, 559504), (50864, 407671), (69938, 296488), (74122, 279752), (139876, 148244)]