20042145

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1733}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 34895016

約数和(自身を除く): 14852871

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 1733, 2313, 3855, 5199, 8665, 11565, 15597, 25995, 77985, 445381, 1336143, 2226905, 4008429, 6680715, 20042145]

約数ペア:

[(1, 20042145), (3, 6680715), (5, 4008429), (9, 2226905), (15, 1336143), (45, 445381), (257, 77985), (771, 25995), (1285, 15597), (1733, 11565), (2313, 8665), (3855, 5199)]