20814608612

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{95957}}^1$

素因数の和:96156

約数の個数: 48

約数和(自身を含む): 42645270528

約数和(自身を除く): 21830661916

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 127, 244, 254, 427, 508, 854, 889, 1708, 1778, 3556, 7747, 15494, 30988, 54229, 95957, 108458, 191914, 216916, 383828, 671699, 1343398, 2686796, 5853377, 11706754, 12186539, 23413508, 24373078, 40973639, 48746156, 81947278, 85305773, 163894556, 170611546, 341223092, 743378879, 1486757758, 2973515516, 5203652153, 10407304306, 20814608612]

約数ペア:

[(1, 20814608612), (2, 10407304306), (4, 5203652153), (7, 2973515516), (14, 1486757758), (28, 743378879), (61, 341223092), (122, 170611546), (127, 163894556), (244, 85305773), (254, 81947278), (427, 48746156), (508, 40973639), (854, 24373078), (889, 23413508), (1708, 12186539), (1778, 11706754), (3556, 5853377), (7747, 2686796), (15494, 1343398), (30988, 671699), (54229, 383828), (95957, 216916), (108458, 191914)]