20490096

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 58353408

約数和(自身を除く): 37863312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 151, 176, 257, 264, 302, 453, 514, 528, 604, 771, 906, 1028, 1208, 1542, 1661, 1812, 2056, 2416, 2827, 3084, 3322, 3624, 4112, 4983, 5654, 6168, 6644, 7248, 8481, 9966, 11308, 12336, 13288, 16962, 19932, 22616, 26576, 33924, 38807, 39864, 45232, 67848, 77614, 79728, 116421, 135696, 155228, 232842, 310456, 426877, 465684, 620912, 853754, 931368, 1280631, 1707508, 1862736, 2561262, 3415016, 5122524, 6830032, 10245048, 20490096]

約数ペア:

[(1, 20490096), (2, 10245048), (3, 6830032), (4, 5122524), (6, 3415016), (8, 2561262), (11, 1862736), (12, 1707508), (16, 1280631), (22, 931368), (24, 853754), (33, 620912), (44, 465684), (48, 426877), (66, 310456), (88, 232842), (132, 155228), (151, 135696), (176, 116421), (257, 79728), (264, 77614), (302, 67848), (453, 45232), (514, 39864), (528, 38807), (604, 33924), (771, 26576), (906, 22616), (1028, 19932), (1208, 16962), (1542, 13288), (1661, 12336), (1812, 11308), (2056, 9966), (2416, 8481), (2827, 7248), (3084, 6644), (3322, 6168), (3624, 5654), (4112, 4983)]