20446690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{691}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 40357440

約数和(自身を除く): 19910750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 691, 1345, 1382, 2690, 2959, 3455, 5918, 6910, 7601, 14795, 15202, 29590, 38005, 76010, 185879, 371758, 929395, 1858790, 2044669, 4089338, 10223345, 20446690]

約数ペア:

[(1, 20446690), (2, 10223345), (5, 4089338), (10, 2044669), (11, 1858790), (22, 929395), (55, 371758), (110, 185879), (269, 76010), (538, 38005), (691, 29590), (1345, 15202), (1382, 14795), (2690, 7601), (2959, 6910), (3455, 5918)]