20207421

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57571}}^1$

素因数の和:57593

約数の個数: 16

約数和(自身を含む): 32240320

約数和(自身を除く): 12032899

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57571, 172713, 518139, 748423, 1554417, 2245269, 6735807, 20207421]

約数ペア:

[(1, 20207421), (3, 6735807), (9, 2245269), (13, 1554417), (27, 748423), (39, 518139), (117, 172713), (351, 57571)]