20400914

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7001}}^1$

素因数の和:7081

約数の個数: 16

約数和(自身を含む): 32265216

約数和(自身を除く): 11864302

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 7001, 14002, 217031, 329047, 434062, 658094, 10200457, 20400914]

約数ペア:

[(1, 20400914), (2, 10200457), (31, 658094), (47, 434062), (62, 329047), (94, 217031), (1457, 14002), (2914, 7001)]