20399172

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{16831}}^1$

素因数の和:16939

約数の個数: 24

約数和(自身を含む): 48072192

約数和(自身を除く): 27673020

約数列:

[1, 2, 3, 4, 6, 12, 101, 202, 303, 404, 606, 1212, 16831, 33662, 50493, 67324, 100986, 201972, 1699931, 3399862, 5099793, 6799724, 10199586, 20399172]

約数ペア:

[(1, 20399172), (2, 10199586), (3, 6799724), (4, 5099793), (6, 3399862), (12, 1699931), (101, 201972), (202, 100986), (303, 67324), (404, 50493), (606, 33662), (1212, 16831)]