20121030710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16628951}}^1$

素因数の和:16628980

約数の個数: 24

約数和(自身を含む): 39809711088

約数和(自身を除く): 19688680378

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16628951, 33257902, 83144755, 166289510, 182918461, 365836922, 914592305, 1829184610, 2012103071, 4024206142, 10060515355, 20121030710]

約数ペア:

[(1, 20121030710), (2, 10060515355), (5, 4024206142), (10, 2012103071), (11, 1829184610), (22, 914592305), (55, 365836922), (110, 182918461), (121, 166289510), (242, 83144755), (605, 33257902), (1210, 16628951)]