189962020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{231661}}^1$

素因数の和:231711

約数の個数: 24

約数和(自身を含む): 408651768

約数和(自身を除く): 218689748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 231661, 463322, 926644, 1158305, 2316610, 4633220, 9498101, 18996202, 37992404, 47490505, 94981010, 189962020]

約数ペア:

[(1, 189962020), (2, 94981010), (4, 47490505), (5, 37992404), (10, 18996202), (20, 9498101), (41, 4633220), (82, 2316610), (164, 1158305), (205, 926644), (410, 463322), (820, 231661)]