20210736981

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{18661807}}^1$

素因数の和:18661848

約数の個数: 12

約数和(自身を含む): 28440595392

約数和(自身を除く): 8229858411

約数列:

[1, 3, 19, 57, 361, 1083, 18661807, 55985421, 354574333, 1063722999, 6736912327, 20210736981]

約数ペア:

[(1, 20210736981), (3, 6736912327), (19, 1063722999), (57, 354574333), (361, 55985421), (1083, 18661807)]