20187830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155291}}^1$

素因数の和:155311

約数の個数: 16

約数和(自身を含む): 39133584

約数和(自身を除く): 18945754

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155291, 310582, 776455, 1552910, 2018783, 4037566, 10093915, 20187830]

約数ペア:

[(1, 20187830), (2, 10093915), (5, 4037566), (10, 2018783), (13, 1552910), (26, 776455), (65, 310582), (130, 155291)]