20590180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79193}}^1$

素因数の和:79215

約数の個数: 24

約数和(自身を含む): 46566072

約数和(自身を除く): 25975892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79193, 158386, 316772, 395965, 791930, 1029509, 1583860, 2059018, 4118036, 5147545, 10295090, 20590180]

約数ペア:

[(1, 20590180), (2, 10295090), (4, 5147545), (5, 4118036), (10, 2059018), (13, 1583860), (20, 1029509), (26, 791930), (52, 395965), (65, 316772), (130, 158386), (260, 79193)]