20939376

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 58281984

約数和(自身を除く): 37342608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 67, 68, 102, 134, 136, 201, 204, 268, 272, 383, 402, 408, 536, 766, 804, 816, 1072, 1139, 1149, 1532, 1608, 2278, 2298, 3064, 3216, 3417, 4556, 4596, 6128, 6511, 6834, 9112, 9192, 13022, 13668, 18224, 18384, 19533, 25661, 26044, 27336, 39066, 51322, 52088, 54672, 76983, 78132, 102644, 104176, 153966, 156264, 205288, 307932, 312528, 410576, 436237, 615864, 872474, 1231728, 1308711, 1744948, 2617422, 3489896, 5234844, 6979792, 10469688, 20939376]

約数ペア:

[(1, 20939376), (2, 10469688), (3, 6979792), (4, 5234844), (6, 3489896), (8, 2617422), (12, 1744948), (16, 1308711), (17, 1231728), (24, 872474), (34, 615864), (48, 436237), (51, 410576), (67, 312528), (68, 307932), (102, 205288), (134, 156264), (136, 153966), (201, 104176), (204, 102644), (268, 78132), (272, 76983), (383, 54672), (402, 52088), (408, 51322), (536, 39066), (766, 27336), (804, 26044), (816, 25661), (1072, 19533), (1139, 18384), (1149, 18224), (1532, 13668), (1608, 13022), (2278, 9192), (2298, 9112), (3064, 6834), (3216, 6511), (3417, 6128), (4556, 4596)]