20885874

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{80953}}^1$

素因数の和:81001

約数の個数: 16

約数和(自身を含む): 42743712

約数和(自身を除く): 21857838

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 80953, 161906, 242859, 485718, 3480979, 6961958, 10442937, 20885874]

約数ペア:

[(1, 20885874), (2, 10442937), (3, 6961958), (6, 3480979), (43, 485718), (86, 242859), (129, 161906), (258, 80953)]