20547010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16981}}^1$

素因数の和:17010

約数の個数: 24

約数和(自身を含む): 40654908

約数和(自身を除く): 20107898

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16981, 33962, 84905, 169810, 186791, 373582, 933955, 1867910, 2054701, 4109402, 10273505, 20547010]

約数ペア:

[(1, 20547010), (2, 10273505), (5, 4109402), (10, 2054701), (11, 1867910), (22, 933955), (55, 373582), (110, 186791), (121, 169810), (242, 84905), (605, 33962), (1210, 16981)]