20582690

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4889}}^1$

素因数の和:5317

約数の個数: 16

約数和(自身を含む): 37144440

約数和(自身を除く): 16561750

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4889, 9778, 24445, 48890, 2058269, 4116538, 10291345, 20582690]

約数ペア:

[(1, 20582690), (2, 10291345), (5, 4116538), (10, 2058269), (421, 48890), (842, 24445), (2105, 9778), (4210, 4889)]