20280927745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2244707}}^1$

素因数の和:2244864

約数の個数: 16

約数和(自身を含む): 26397766080

約数和(自身を除く): 6116838335

約数列:

[1, 5, 13, 65, 139, 695, 1807, 9035, 2244707, 11223535, 29181191, 145905955, 312014273, 1560071365, 4056185549, 20280927745]

約数ペア:

[(1, 20280927745), (5, 4056185549), (13, 1560071365), (65, 312014273), (139, 145905955), (695, 29181191), (1807, 11223535), (9035, 2244707)]