20244545

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 24979968

約数和(自身を除く): 4735423

約数列:

[1, 5, 47, 235, 277, 311, 1385, 1555, 13019, 14617, 65095, 73085, 86147, 430735, 4048909, 20244545]

約数ペア:

[(1, 20244545), (5, 4048909), (47, 430735), (235, 86147), (277, 73085), (311, 65095), (1385, 14617), (1555, 13019)]