20001586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5023}}^1$

素因数の和:5217

約数の個数: 16

約数和(自身を含む): 32917248

約数和(自身を除く): 12915662

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5023, 10046, 55253, 110506, 909163, 1818326, 10000793, 20001586]

約数ペア:

[(1, 20001586), (2, 10000793), (11, 1818326), (22, 909163), (181, 110506), (362, 55253), (1991, 10046), (3982, 5023)]