12670220

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1171}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 26679408

約数和(自身を除く): 14009188

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1171, 2164, 2342, 2705, 4684, 5410, 5855, 10820, 11710, 23420, 633511, 1267022, 2534044, 3167555, 6335110, 12670220]

約数ペア:

[(1, 12670220), (2, 6335110), (4, 3167555), (5, 2534044), (10, 1267022), (20, 633511), (541, 23420), (1082, 11710), (1171, 10820), (2164, 5855), (2342, 5410), (2705, 4684)]