12590020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{911}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 26506368

約数和(自身を除く): 13916348

約数列:

[1, 2, 4, 5, 10, 20, 691, 911, 1382, 1822, 2764, 3455, 3644, 4555, 6910, 9110, 13820, 18220, 629501, 1259002, 2518004, 3147505, 6295010, 12590020]

約数ペア:

[(1, 12590020), (2, 6295010), (4, 3147505), (5, 2518004), (10, 1259002), (20, 629501), (691, 18220), (911, 13820), (1382, 9110), (1822, 6910), (2764, 4555), (3455, 3644)]