20491692

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131357}}^1$

素因数の和:131377

約数の個数: 24

約数和(自身を含む): 51492336

約数和(自身を除く): 31000644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131357, 262714, 394071, 525428, 788142, 1576284, 1707641, 3415282, 5122923, 6830564, 10245846, 20491692]

約数ペア:

[(1, 20491692), (2, 10245846), (3, 6830564), (4, 5122923), (6, 3415282), (12, 1707641), (13, 1576284), (26, 788142), (39, 525428), (52, 394071), (78, 262714), (156, 131357)]