20112872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193393}}^1$

素因数の和:193412

約数の個数: 16

約数和(自身を含む): 40612740

約数和(自身を除く): 20499868

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193393, 386786, 773572, 1547144, 2514109, 5028218, 10056436, 20112872]

約数ペア:

[(1, 20112872), (2, 10056436), (4, 5028218), (8, 2514109), (13, 1547144), (26, 773572), (52, 386786), (104, 193393)]