20145423039

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{30403}}^1$

素因数の和:30779

約数の個数: 32

約数和(自身を含む): 31055861760

約数和(自身を除く): 10910438721

約数列:

[1, 3, 7, 21, 139, 227, 417, 681, 973, 1589, 2919, 4767, 30403, 31553, 91209, 94659, 212821, 220871, 638463, 662613, 4226017, 6901481, 12678051, 20704443, 29582119, 48310367, 88746357, 144931101, 959305859, 2877917577, 6715141013, 20145423039]

約数ペア:

[(1, 20145423039), (3, 6715141013), (7, 2877917577), (21, 959305859), (139, 144931101), (227, 88746357), (417, 48310367), (681, 29582119), (973, 20704443), (1589, 12678051), (2919, 6901481), (4767, 4226017), (30403, 662613), (31553, 638463), (91209, 220871), (94659, 212821)]