12670820

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1549}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 26691000

約数和(自身を除く): 14020180

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1549, 1636, 2045, 3098, 4090, 6196, 7745, 8180, 15490, 30980, 633541, 1267082, 2534164, 3167705, 6335410, 12670820]

約数ペア:

[(1, 12670820), (2, 6335410), (4, 3167705), (5, 2534164), (10, 1267082), (20, 633541), (409, 30980), (818, 15490), (1549, 8180), (1636, 7745), (2045, 6196), (3098, 4090)]