20156417090

素因数分解:

$2^1\times 5^1\times {\mathrm{50671}}^1\times {\mathrm{39779}}^1$

素因数の和:90457

約数の個数: 16

約数和(自身を含む): 36283178880

約数和(自身を除く): 16126761790

約数列:

[1, 2, 5, 10, 39779, 50671, 79558, 101342, 198895, 253355, 397790, 506710, 2015641709, 4031283418, 10078208545, 20156417090]

約数ペア:

[(1, 20156417090), (2, 10078208545), (5, 4031283418), (10, 2015641709), (39779, 506710), (50671, 397790), (79558, 253355), (101342, 198895)]