20258906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{11903}}^1$

素因数の和:11965

約数の個数: 16

約数和(自身を含む): 32569344

約数和(自身を除く): 12310438

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 11903, 23806, 273769, 440411, 547538, 880822, 10129453, 20258906]

約数ペア:

[(1, 20258906), (2, 10129453), (23, 880822), (37, 547538), (46, 440411), (74, 273769), (851, 23806), (1702, 11903)]