20178039316

素因数分解:

$2^2\times {\mathrm{70457}}^1\times {\mathrm{71597}}^1$

素因数の和:142058

約数の個数: 12

約数和(自身を含む): 35312563188

約数和(自身を除く): 15134523872

約数列:

[1, 2, 4, 70457, 71597, 140914, 143194, 281828, 286388, 5044509829, 10089019658, 20178039316]

約数ペア:

[(1, 20178039316), (2, 10089019658), (4, 5044509829), (70457, 286388), (71597, 281828), (140914, 143194)]