20298501

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{1021}}^1$

素因数の和:1121

約数の個数: 18

約数和(自身を含む): 29986502

約数和(自身を除く): 9688001

約数列:

[1, 3, 9, 47, 141, 423, 1021, 2209, 3063, 6627, 9189, 19881, 47987, 143961, 431883, 2255389, 6766167, 20298501]

約数ペア:

[(1, 20298501), (3, 6766167), (9, 2255389), (47, 431883), (141, 143961), (423, 47987), (1021, 19881), (2209, 9189), (3063, 6627)]