20131475079

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{4297}}^1$

素因数の和:4719

約数の個数: 32

約数和(自身を含む): 27727257600

約数和(自身を除く): 7595782521

約数列:

[1, 3, 47, 141, 149, 223, 447, 669, 4297, 7003, 10481, 12891, 21009, 31443, 33227, 99681, 201959, 605877, 640253, 958231, 1561669, 1920759, 2874693, 4685007, 30091891, 45036857, 90275673, 135110571, 142776419, 428329257, 6710491693, 20131475079]

約数ペア:

[(1, 20131475079), (3, 6710491693), (47, 428329257), (141, 142776419), (149, 135110571), (223, 90275673), (447, 45036857), (669, 30091891), (4297, 4685007), (7003, 2874693), (10481, 1920759), (12891, 1561669), (21009, 958231), (31443, 640253), (33227, 605877), (99681, 201959)]