20503434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{937}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 47005056

約数和(自身を除く): 26501622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521, 937, 1042, 1563, 1874, 2811, 3126, 3647, 5622, 6559, 7294, 10941, 13118, 19677, 21882, 39354, 488177, 976354, 1464531, 2929062, 3417239, 6834478, 10251717, 20503434]

約数ペア:

[(1, 20503434), (2, 10251717), (3, 6834478), (6, 3417239), (7, 2929062), (14, 1464531), (21, 976354), (42, 488177), (521, 39354), (937, 21882), (1042, 19677), (1563, 13118), (1874, 10941), (2811, 7294), (3126, 6559), (3647, 5622)]