20648808

素因数分解:

$2^3\times 3^2\times {\mathrm{286789}}^1$

素因数の和:286801

約数の個数: 24

約数和(自身を含む): 55924050

約数和(自身を除く): 35275242

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 286789, 573578, 860367, 1147156, 1720734, 2294312, 2581101, 3441468, 5162202, 6882936, 10324404, 20648808]

約数ペア:

[(1, 20648808), (2, 10324404), (3, 6882936), (4, 5162202), (6, 3441468), (8, 2581101), (9, 2294312), (12, 1720734), (18, 1147156), (24, 860367), (36, 573578), (72, 286789)]