15302020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18661}}^1$

素因数の和:18711

約数の個数: 24

約数和(自身を含む): 32919768

約数和(自身を除く): 17617748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 18661, 37322, 74644, 93305, 186610, 373220, 765101, 1530202, 3060404, 3825505, 7651010, 15302020]

約数ペア:

[(1, 15302020), (2, 7651010), (4, 3825505), (5, 3060404), (10, 1530202), (20, 765101), (41, 373220), (82, 186610), (164, 93305), (205, 74644), (410, 37322), (820, 18661)]