20817612

素因数分解:

$2^2\times 3^2\times {\mathrm{578267}}^1$

素因数の和:578277

約数の個数: 18

約数和(自身を含む): 52622388

約数和(自身を除く): 31804776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578267, 1156534, 1734801, 2313068, 3469602, 5204403, 6939204, 10408806, 20817612]

約数ペア:

[(1, 20817612), (2, 10408806), (3, 6939204), (4, 5204403), (6, 3469602), (9, 2313068), (12, 1734801), (18, 1156534), (36, 578267)]