20618608

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1319}}^1$

素因数の和:2304

約数の個数: 20

約数和(自身を含む): 40019760

約数和(自身を除く): 19401152

約数列:

[1, 2, 4, 8, 16, 977, 1319, 1954, 2638, 3908, 5276, 7816, 10552, 15632, 21104, 1288663, 2577326, 5154652, 10309304, 20618608]

約数ペア:

[(1, 20618608), (2, 10309304), (4, 5154652), (8, 2577326), (16, 1288663), (977, 21104), (1319, 15632), (1954, 10552), (2638, 7816), (3908, 5276)]