20179954510

素因数分解:

$2^1\times 5^1\times {\mathrm{6481}}^1\times {\mathrm{311371}}^1$

素因数の和:317859

約数の個数: 16

約数和(自身を含む): 36329639472

約数和(自身を除く): 16149684962

約数列:

[1, 2, 5, 10, 6481, 12962, 32405, 64810, 311371, 622742, 1556855, 3113710, 2017995451, 4035990902, 10089977255, 20179954510]

約数ペア:

[(1, 20179954510), (2, 10089977255), (5, 4035990902), (10, 2017995451), (6481, 3113710), (12962, 1556855), (32405, 622742), (64810, 311371)]