20275450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31193}}^1$

素因数の和:31218

約数の個数: 24

約数和(自身を含む): 40614588

約数和(自身を除く): 20339138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31193, 62386, 155965, 311930, 405509, 779825, 811018, 1559650, 2027545, 4055090, 10137725, 20275450]

約数ペア:

[(1, 20275450), (2, 10137725), (5, 4055090), (10, 2027545), (13, 1559650), (25, 811018), (26, 779825), (50, 405509), (65, 311930), (130, 155965), (325, 62386), (650, 31193)]