20580189

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14627}}^1$

素因数の和:14704

約数の個数: 16

約数和(自身を含む): 31830528

約数和(自身を除く): 11250339

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14627, 43881, 102389, 307167, 980009, 2940027, 6860063, 20580189]

約数ペア:

[(1, 20580189), (3, 6860063), (7, 2940027), (21, 980009), (67, 307167), (201, 102389), (469, 43881), (1407, 14627)]