20282275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3671}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 28685664

約数和(自身を除く): 8403389

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3671, 5525, 18355, 47723, 62407, 91775, 238615, 312035, 811291, 1193075, 1560175, 4056455, 20282275]

約数ペア:

[(1, 20282275), (5, 4056455), (13, 1560175), (17, 1193075), (25, 811291), (65, 312035), (85, 238615), (221, 91775), (325, 62407), (425, 47723), (1105, 18355), (3671, 5525)]