20624825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3733}}^1$

素因数の和:3773

約数の個数: 24

約数和(自身を含む): 29170008

約数和(自身を除く): 8545183

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3733, 5525, 18665, 48529, 63461, 93325, 242645, 317305, 824993, 1213225, 1586525, 4124965, 20624825]

約数ペア:

[(1, 20624825), (5, 4124965), (13, 1586525), (17, 1213225), (25, 824993), (65, 317305), (85, 242645), (221, 93325), (325, 63461), (425, 48529), (1105, 18665), (3733, 5525)]