20023240

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1307}}^1$

素因数の和:1701

約数の個数: 32

約数和(自身を含む): 45204480

約数和(自身を除く): 25181240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1307, 1532, 1915, 2614, 3064, 3830, 5228, 6535, 7660, 10456, 13070, 15320, 26140, 52280, 500581, 1001162, 2002324, 2502905, 4004648, 5005810, 10011620, 20023240]

約数ペア:

[(1, 20023240), (2, 10011620), (4, 5005810), (5, 4004648), (8, 2502905), (10, 2002324), (20, 1001162), (40, 500581), (383, 52280), (766, 26140), (1307, 15320), (1532, 13070), (1915, 10456), (2614, 7660), (3064, 6535), (3830, 5228)]