20016651

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 27609120

約数和(自身を除く): 7592469

約数列:

[1, 3, 41, 109, 123, 327, 1493, 4469, 4479, 13407, 61213, 162737, 183639, 488211, 6672217, 20016651]

約数ペア:

[(1, 20016651), (3, 6672217), (41, 488211), (109, 183639), (123, 162737), (327, 61213), (1493, 13407), (4469, 4479)]