20385778810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70295789}}^1$

素因数の和:70295825

約数の個数: 16

約数和(自身を含む): 37959726600

約数和(自身を除く): 17573947790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70295789, 140591578, 351478945, 702957890, 2038577881, 4077155762, 10192889405, 20385778810]

約数ペア:

[(1, 20385778810), (2, 10192889405), (5, 4077155762), (10, 2038577881), (29, 702957890), (58, 351478945), (145, 140591578), (290, 70295789)]