20324140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9323}}^1$

素因数の和:9441

約数の個数: 24

約数和(自身を含む): 43076880

約数和(自身を除く): 22752740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9323, 18646, 37292, 46615, 93230, 186460, 1016207, 2032414, 4064828, 5081035, 10162070, 20324140]

約数ペア:

[(1, 20324140), (2, 10162070), (4, 5081035), (5, 4064828), (10, 2032414), (20, 1016207), (109, 186460), (218, 93230), (436, 46615), (545, 37292), (1090, 18646), (2180, 9323)]