20015956

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1069}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 36431360

約数和(自身を除く): 16415404

約数列:

[1, 2, 4, 31, 62, 124, 151, 302, 604, 1069, 2138, 4276, 4681, 9362, 18724, 33139, 66278, 132556, 161419, 322838, 645676, 5003989, 10007978, 20015956]

約数ペア:

[(1, 20015956), (2, 10007978), (4, 5003989), (31, 645676), (62, 322838), (124, 161419), (151, 132556), (302, 66278), (604, 33139), (1069, 18724), (2138, 9362), (4276, 4681)]