20120406620

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{461689}}^1$

素因数の和:463877

約数の個数: 24

約数和(自身を含む): 42272336400

約数和(自身を除く): 22151929780

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 8716, 10895, 21790, 43580, 461689, 923378, 1846756, 2308445, 4616890, 9233780, 1006020331, 2012040662, 4024081324, 5030101655, 10060203310, 20120406620]

約数ペア:

[(1, 20120406620), (2, 10060203310), (4, 5030101655), (5, 4024081324), (10, 2012040662), (20, 1006020331), (2179, 9233780), (4358, 4616890), (8716, 2308445), (10895, 1846756), (21790, 923378), (43580, 461689)]