20531844

素因数分解:

$2^2\times 3^2\times {\mathrm{570329}}^1$

素因数の和:570339

約数の個数: 18

約数和(自身を含む): 51900030

約数和(自身を除く): 31368186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570329, 1140658, 1710987, 2281316, 3421974, 5132961, 6843948, 10265922, 20531844]

約数ペア:

[(1, 20531844), (2, 10265922), (3, 6843948), (4, 5132961), (6, 3421974), (9, 2281316), (12, 1710987), (18, 1140658), (36, 570329)]