20217558530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{346369}}^1$

素因数の和:346838

約数の個数: 32

約数和(自身を含む): 39278358000

約数和(自身を除く): 19060799470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 4490, 5837, 11674, 29185, 58370, 346369, 692738, 1731845, 3463690, 4502797, 9005594, 22513985, 45027970, 155519681, 311039362, 777598405, 1555196810, 2021755853, 4043511706, 10108779265, 20217558530]

約数ペア:

[(1, 20217558530), (2, 10108779265), (5, 4043511706), (10, 2021755853), (13, 1555196810), (26, 777598405), (65, 311039362), (130, 155519681), (449, 45027970), (898, 22513985), (2245, 9005594), (4490, 4502797), (5837, 3463690), (11674, 1731845), (29185, 692738), (58370, 346369)]