20072228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^2$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 39595248

約数和(自身を除く): 19523020

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 103, 172, 206, 412, 473, 946, 1133, 1892, 2266, 4429, 4532, 8858, 10609, 17716, 21218, 42436, 48719, 97438, 116699, 194876, 233398, 456187, 466796, 912374, 1824748, 5018057, 10036114, 20072228]

約数ペア:

[(1, 20072228), (2, 10036114), (4, 5018057), (11, 1824748), (22, 912374), (43, 466796), (44, 456187), (86, 233398), (103, 194876), (172, 116699), (206, 97438), (412, 48719), (473, 42436), (946, 21218), (1133, 17716), (1892, 10609), (2266, 8858), (4429, 4532)]