20638613

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 22325760

約数和(自身を除く): 1687147

約数列:

[1, 23, 59, 67, 227, 1357, 1541, 3953, 5221, 13393, 15209, 90919, 308039, 349807, 897331, 20638613]

約数ペア:

[(1, 20638613), (23, 897331), (59, 349807), (67, 308039), (227, 90919), (1357, 15209), (1541, 13393), (3953, 5221)]