20565558865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1\times {\mathrm{1423}}^1$

素因数の和:2617

約数の個数: 32

約数和(自身を含む): 26195904000

約数和(自身を除く): 5630345135

約数列:

[1, 5, 19, 95, 149, 745, 1021, 1423, 2831, 5105, 7115, 14155, 19399, 27037, 96995, 135185, 152129, 212027, 760645, 1060135, 1452883, 2890451, 4028513, 7264415, 14452255, 20142565, 27604777, 138023885, 216479567, 1082397835, 4113111773, 20565558865]

約数ペア:

[(1, 20565558865), (5, 4113111773), (19, 1082397835), (95, 216479567), (149, 138023885), (745, 27604777), (1021, 20142565), (1423, 14452255), (2831, 7264415), (5105, 4028513), (7115, 2890451), (14155, 1452883), (19399, 1060135), (27037, 760645), (96995, 212027), (135185, 152129)]