20432750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6287}}^1$

素因数の和:6317

約数の個数: 32

約数和(自身を含む): 41198976

約数和(自身を除く): 20766226

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6287, 12574, 31435, 62870, 81731, 157175, 163462, 314350, 408655, 785875, 817310, 1571750, 2043275, 4086550, 10216375, 20432750]

約数ペア:

[(1, 20432750), (2, 10216375), (5, 4086550), (10, 2043275), (13, 1571750), (25, 817310), (26, 785875), (50, 408655), (65, 314350), (125, 163462), (130, 157175), (250, 81731), (325, 62870), (650, 31435), (1625, 12574), (3250, 6287)]