12664220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3001}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 26729808

約数和(自身を除く): 14065588

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 3001, 4220, 6002, 12004, 15005, 30010, 60020, 633211, 1266422, 2532844, 3166055, 6332110, 12664220]

約数ペア:

[(1, 12664220), (2, 6332110), (4, 3166055), (5, 2532844), (10, 1266422), (20, 633211), (211, 60020), (422, 30010), (844, 15005), (1055, 12004), (2110, 6002), (3001, 4220)]