201219020

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{19237}}^1$

素因数の和:19769

約数の個数: 24

約数和(自身を含む): 423389904

約数和(自身を除く): 222170884

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 19237, 38474, 76948, 96185, 192370, 384740, 10060951, 20121902, 40243804, 50304755, 100609510, 201219020]

約数ペア:

[(1, 201219020), (2, 100609510), (4, 50304755), (5, 40243804), (10, 20121902), (20, 10060951), (523, 384740), (1046, 192370), (2092, 96185), (2615, 76948), (5230, 38474), (10460, 19237)]