20461552

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{1663}}^1$

素因数の和:2440

約数の個数: 20

約数和(自身を含む): 39719680

約数和(自身を除く): 19258128

約数列:

[1, 2, 4, 8, 16, 769, 1538, 1663, 3076, 3326, 6152, 6652, 12304, 13304, 26608, 1278847, 2557694, 5115388, 10230776, 20461552]

約数ペア:

[(1, 20461552), (2, 10230776), (4, 5115388), (8, 2557694), (16, 1278847), (769, 26608), (1538, 13304), (1663, 12304), (3076, 6652), (3326, 6152)]