20235920

素因数分解:

$2^4\times 5^1\times {\mathrm{252949}}^1$

素因数の和:252962

約数の個数: 20

約数和(自身を含む): 47048700

約数和(自身を除く): 26812780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252949, 505898, 1011796, 1264745, 2023592, 2529490, 4047184, 5058980, 10117960, 20235920]

約数ペア:

[(1, 20235920), (2, 10117960), (4, 5058980), (5, 4047184), (8, 2529490), (10, 2023592), (16, 1264745), (20, 1011796), (40, 505898), (80, 252949)]