20565751156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1\times {\mathrm{4663}}^1$

素因数の和:5584

約数の個数: 48

約数和(自身を含む): 38644784640

約数和(自身を除く): 18079033484

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 821, 1343, 1642, 2686, 3284, 4663, 5372, 9326, 13957, 18652, 27914, 55828, 64859, 79271, 129718, 158542, 259436, 317084, 368377, 736754, 1102603, 1473508, 2205206, 3828323, 4410412, 6262409, 7656646, 12524818, 15313292, 25049636, 65081491, 130162982, 260325964, 302437517, 604875034, 1209750068, 5141437789, 10282875578, 20565751156]

約数ペア:

[(1, 20565751156), (2, 10282875578), (4, 5141437789), (17, 1209750068), (34, 604875034), (68, 302437517), (79, 260325964), (158, 130162982), (316, 65081491), (821, 25049636), (1343, 15313292), (1642, 12524818), (2686, 7656646), (3284, 6262409), (4663, 4410412), (5372, 3828323), (9326, 2205206), (13957, 1473508), (18652, 1102603), (27914, 736754), (55828, 368377), (64859, 317084), (79271, 259436), (129718, 158542)]