20420432

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1847}}^1$

素因数の和:2546

約数の個数: 20

約数和(自身を含む): 39643296

約数和(自身を除く): 19222864

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1847, 2764, 3694, 5528, 7388, 11056, 14776, 29552, 1276277, 2552554, 5105108, 10210216, 20420432]

約数ペア:

[(1, 20420432), (2, 10210216), (4, 5105108), (8, 2552554), (16, 1276277), (691, 29552), (1382, 14776), (1847, 11056), (2764, 7388), (3694, 5528)]