31980012

素因数分解:

$2^2\times 3^1\times {\mathrm{2665001}}^1$

素因数の和:2665008

約数の個数: 12

約数和(自身を含む): 74620056

約数和(自身を除く): 42640044

約数列:

[1, 2, 3, 4, 6, 12, 2665001, 5330002, 7995003, 10660004, 15990006, 31980012]

約数ペア:

[(1, 31980012), (2, 15990006), (3, 10660004), (4, 7995003), (6, 5330002), (12, 2665001)]