20272655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7607}}^1$

素因数の和:7666

約数の個数: 16

約数和(自身を含む): 26841024

約数和(自身を除く): 6568369

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7607, 38035, 98891, 311887, 494455, 1559435, 4054531, 20272655]

約数ペア:

[(1, 20272655), (5, 4054531), (13, 1559435), (41, 494455), (65, 311887), (205, 98891), (533, 38035), (2665, 7607)]