20601896

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 46366080

約数和(自身を除く): 25764184

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 61, 74, 122, 148, 163, 244, 259, 296, 326, 427, 488, 518, 652, 854, 1036, 1141, 1304, 1708, 2072, 2257, 2282, 3416, 4514, 4564, 6031, 9028, 9128, 9943, 12062, 15799, 18056, 19886, 24124, 31598, 39772, 42217, 48248, 63196, 69601, 79544, 84434, 126392, 139202, 168868, 278404, 337736, 367891, 556808, 735782, 1471564, 2575237, 2943128, 5150474, 10300948, 20601896]

約数ペア:

[(1, 20601896), (2, 10300948), (4, 5150474), (7, 2943128), (8, 2575237), (14, 1471564), (28, 735782), (37, 556808), (56, 367891), (61, 337736), (74, 278404), (122, 168868), (148, 139202), (163, 126392), (244, 84434), (259, 79544), (296, 69601), (326, 63196), (427, 48248), (488, 42217), (518, 39772), (652, 31598), (854, 24124), (1036, 19886), (1141, 18056), (1304, 15799), (1708, 12062), (2072, 9943), (2257, 9128), (2282, 9028), (3416, 6031), (4514, 4564)]