20580791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11621}}^1$

素因数の和:11662

約数の個数: 16

約数和(自身を含む): 26777088

約数和(自身を除く): 6196297

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11621, 81347, 127831, 267283, 894817, 1870981, 2940113, 20580791]

約数ペア:

[(1, 20580791), (7, 2940113), (11, 1870981), (23, 894817), (77, 267283), (161, 127831), (253, 81347), (1771, 11621)]