20008907530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{433187}}^1$

素因数の和:433374

約数の個数: 32

約数和(自身を含む): 37427443200

約数和(自身を除く): 17418535670

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 745, 1490, 4619, 9238, 23095, 46190, 433187, 866374, 2165935, 4331870, 13428797, 26857594, 64544863, 67143985, 129089726, 134287970, 322724315, 645448630, 2000890753, 4001781506, 10004453765, 20008907530]

約数ペア:

[(1, 20008907530), (2, 10004453765), (5, 4001781506), (10, 2000890753), (31, 645448630), (62, 322724315), (149, 134287970), (155, 129089726), (298, 67143985), (310, 64544863), (745, 26857594), (1490, 13428797), (4619, 4331870), (9238, 2165935), (23095, 866374), (46190, 433187)]