199962020

素因数分解:

$2^2\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{8423}}^1$

素因数の和:9619

約数の個数: 24

約数和(自身を含む): 420323904

約数和(自身を除く): 220361884

約数列:

[1, 2, 4, 5, 10, 20, 1187, 2374, 4748, 5935, 8423, 11870, 16846, 23740, 33692, 42115, 84230, 168460, 9998101, 19996202, 39992404, 49990505, 99981010, 199962020]

約数ペア:

[(1, 199962020), (2, 99981010), (4, 49990505), (5, 39992404), (10, 19996202), (20, 9998101), (1187, 168460), (2374, 84230), (4748, 42115), (5935, 33692), (8423, 23740), (11870, 16846)]