20758227

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9787}}^1$

素因数の和:9898

約数の個数: 16

約数和(自身を含む): 31948032

約数和(自身を除く): 11189805

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9787, 29361, 68509, 205527, 988487, 2965461, 6919409, 20758227]

約数ペア:

[(1, 20758227), (3, 6919409), (7, 2965461), (21, 988487), (101, 205527), (303, 68509), (707, 29361), (2121, 9787)]