20979045

素因数分解:

$3^2\times 5^1\times {\mathrm{466201}}^1$

素因数の和:466212

約数の個数: 12

約数和(自身を含む): 36363756

約数和(自身を除く): 15384711

約数列:

[1, 3, 5, 9, 15, 45, 466201, 1398603, 2331005, 4195809, 6993015, 20979045]

約数ペア:

[(1, 20979045), (3, 6993015), (5, 4195809), (9, 2331005), (15, 1398603), (45, 466201)]