20417698

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63409}}^1$

素因数の和:63441

約数の個数: 16

約数和(自身を含む): 36524160

約数和(自身を除く): 16106462

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63409, 126818, 443863, 887726, 1458407, 2916814, 10208849, 20417698]

約数ペア:

[(1, 20417698), (2, 10208849), (7, 2916814), (14, 1458407), (23, 887726), (46, 443863), (161, 126818), (322, 63409)]