20735620

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2707}}^1$

素因数の和:3099

約数の個数: 24

約数和(自身を含む): 43674624

約数和(自身を除く): 22939004

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2707, 3830, 5414, 7660, 10828, 13535, 27070, 54140, 1036781, 2073562, 4147124, 5183905, 10367810, 20735620]

約数ペア:

[(1, 20735620), (2, 10367810), (4, 5183905), (5, 4147124), (10, 2073562), (20, 1036781), (383, 54140), (766, 27070), (1532, 13535), (1915, 10828), (2707, 7660), (3830, 5414)]