20764416

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1461

約数の個数: 72

約数和(自身を含む): 58213120

約数和(自身を除く): 37448704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 608, 768, 912, 1216, 1423, 1824, 2432, 2846, 3648, 4269, 4864, 5692, 7296, 8538, 11384, 14592, 17076, 22768, 27037, 34152, 45536, 54074, 68304, 81111, 91072, 108148, 136608, 162222, 182144, 216296, 273216, 324444, 364288, 432592, 546432, 648888, 865184, 1092864, 1297776, 1730368, 2595552, 3460736, 5191104, 6921472, 10382208, 20764416]

約数ペア:

[(1, 20764416), (2, 10382208), (3, 6921472), (4, 5191104), (6, 3460736), (8, 2595552), (12, 1730368), (16, 1297776), (19, 1092864), (24, 865184), (32, 648888), (38, 546432), (48, 432592), (57, 364288), (64, 324444), (76, 273216), (96, 216296), (114, 182144), (128, 162222), (152, 136608), (192, 108148), (228, 91072), (256, 81111), (304, 68304), (384, 54074), (456, 45536), (608, 34152), (768, 27037), (912, 22768), (1216, 17076), (1423, 14592), (1824, 11384), (2432, 8538), (2846, 7296), (3648, 5692), (4269, 4864)]