20115766

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{823}}^1$

素因数の和:948

約数の個数: 24

約数和(自身を含む): 33535152

約数和(自身を除く): 13419386

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 823, 1111, 1646, 2222, 9053, 12221, 18106, 24442, 83123, 99583, 166246, 199166, 914353, 1828706, 10057883, 20115766]

約数ペア:

[(1, 20115766), (2, 10057883), (11, 1828706), (22, 914353), (101, 199166), (121, 166246), (202, 99583), (242, 83123), (823, 24442), (1111, 18106), (1646, 12221), (2222, 9053)]