20332908

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{2039}}^1$

素因数の和:2326

約数の個数: 36

約数和(自身を含む): 51607920

約数和(自身を除く): 31275012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 2039, 2493, 3324, 4078, 4986, 6117, 8156, 9972, 12234, 18351, 24468, 36702, 73404, 564803, 1129606, 1694409, 2259212, 3388818, 5083227, 6777636, 10166454, 20332908]

約数ペア:

[(1, 20332908), (2, 10166454), (3, 6777636), (4, 5083227), (6, 3388818), (9, 2259212), (12, 1694409), (18, 1129606), (36, 564803), (277, 73404), (554, 36702), (831, 24468), (1108, 18351), (1662, 12234), (2039, 9972), (2493, 8156), (3324, 6117), (4078, 4986)]