20125905080

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{608401}}^1$

素因数の和:609239

約数の個数: 32

約数和(自身を含む): 45338117040

約数和(自身を除く): 25212211960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 3308, 4135, 6616, 8270, 16540, 33080, 608401, 1216802, 2433604, 3042005, 4867208, 6084010, 12168020, 24336040, 503147627, 1006295254, 2012590508, 2515738135, 4025181016, 5031476270, 10062952540, 20125905080]

約数ペア:

[(1, 20125905080), (2, 10062952540), (4, 5031476270), (5, 4025181016), (8, 2515738135), (10, 2012590508), (20, 1006295254), (40, 503147627), (827, 24336040), (1654, 12168020), (3308, 6084010), (4135, 4867208), (6616, 3042005), (8270, 2433604), (16540, 1216802), (33080, 608401)]