20541636

素因数分解:

$2^2\times 3^2\times {\mathrm{570601}}^1$

素因数の和:570611

約数の個数: 18

約数和(自身を含む): 51924782

約数和(自身を除く): 31383146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570601, 1141202, 1711803, 2282404, 3423606, 5135409, 6847212, 10270818, 20541636]

約数ペア:

[(1, 20541636), (2, 10270818), (3, 6847212), (4, 5135409), (6, 3423606), (9, 2282404), (12, 1711803), (18, 1141202), (36, 570601)]