20502378

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2199

約数の個数: 48

約数和(自身を含む): 49028616

約数和(自身を除く): 28526238

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2137, 3198, 4274, 4797, 6411, 9594, 12822, 19233, 27781, 38466, 55562, 83343, 87617, 166686, 175234, 250029, 262851, 500058, 525702, 788553, 1139021, 1577106, 2278042, 3417063, 6834126, 10251189, 20502378]

約数ペア:

[(1, 20502378), (2, 10251189), (3, 6834126), (6, 3417063), (9, 2278042), (13, 1577106), (18, 1139021), (26, 788553), (39, 525702), (41, 500058), (78, 262851), (82, 250029), (117, 175234), (123, 166686), (234, 87617), (246, 83343), (369, 55562), (533, 38466), (738, 27781), (1066, 19233), (1599, 12822), (2137, 9594), (3198, 6411), (4274, 4797)]