20121479170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154780609}}^1$

素因数の和:154780629

約数の個数: 16

約数和(自身を含む): 39004713720

約数和(自身を除く): 18883234550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154780609, 309561218, 773903045, 1547806090, 2012147917, 4024295834, 10060739585, 20121479170]

約数ペア:

[(1, 20121479170), (2, 10060739585), (5, 4024295834), (10, 2012147917), (13, 1547806090), (26, 773903045), (65, 309561218), (130, 154780609)]