20638367090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2861}}^1\times {\mathrm{65579}}^1$

素因数の和:68458

約数の個数: 32

約数和(自身を含む): 40541031360

約数和(自身を除く): 19902664270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2861, 5722, 14305, 28610, 31471, 62942, 65579, 131158, 157355, 314710, 327895, 655790, 721369, 1442738, 3606845, 7213690, 187621519, 375243038, 938107595, 1876215190, 2063836709, 4127673418, 10319183545, 20638367090]

約数ペア:

[(1, 20638367090), (2, 10319183545), (5, 4127673418), (10, 2063836709), (11, 1876215190), (22, 938107595), (55, 375243038), (110, 187621519), (2861, 7213690), (5722, 3606845), (14305, 1442738), (28610, 721369), (31471, 655790), (62942, 327895), (65579, 314710), (131158, 157355)]