20199008570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155376989}}^1$

素因数の和:155377009

約数の個数: 16

約数和(自身を含む): 39155001480

約数和(自身を除く): 18955992910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155376989, 310753978, 776884945, 1553769890, 2019900857, 4039801714, 10099504285, 20199008570]

約数ペア:

[(1, 20199008570), (2, 10099504285), (5, 4039801714), (10, 2019900857), (13, 1553769890), (26, 776884945), (65, 310753978), (130, 155376989)]