20647510130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158827001}}^1$

素因数の和:158827021

約数の個数: 16

約数和(自身を含む): 40024404504

約数和(自身を除く): 19376894374

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 158827001, 317654002, 794135005, 1588270010, 2064751013, 4129502026, 10323755065, 20647510130]

約数ペア:

[(1, 20647510130), (2, 10323755065), (5, 4129502026), (10, 2064751013), (13, 1588270010), (26, 794135005), (65, 317654002), (130, 158827001)]