20862518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7687}}^1$

素因数の和:7771

約数の個数: 16

約数和(自身を含む): 33212160

約数和(自身を除く): 12349642

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7687, 15374, 176801, 353602, 453533, 907066, 10431259, 20862518]

約数ペア:

[(1, 20862518), (2, 10431259), (23, 907066), (46, 453533), (59, 353602), (118, 176801), (1357, 15374), (2714, 7687)]