20120886980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3580229}}^1$

素因数の和:3580519

約数の個数: 24

約数和(自身を含む): 42404244120

約数和(自身を除く): 22283357140

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 3580229, 7160458, 14320916, 17901145, 35802290, 71604580, 1006044349, 2012088698, 4024177396, 5030221745, 10060443490, 20120886980]

約数ペア:

[(1, 20120886980), (2, 10060443490), (4, 5030221745), (5, 4024177396), (10, 2012088698), (20, 1006044349), (281, 71604580), (562, 35802290), (1124, 17901145), (1405, 14320916), (2810, 7160458), (5620, 3580229)]