20005386

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 20968950

約数列:

[1, 2, 3, 6, 71, 142, 151, 213, 302, 311, 426, 453, 622, 906, 933, 1866, 10721, 21442, 22081, 32163, 44162, 46961, 64326, 66243, 93922, 132486, 140883, 281766, 3334231, 6668462, 10002693, 20005386]

約数ペア:

[(1, 20005386), (2, 10002693), (3, 6668462), (6, 3334231), (71, 281766), (142, 140883), (151, 132486), (213, 93922), (302, 66243), (311, 64326), (426, 46961), (453, 44162), (622, 32163), (906, 22081), (933, 21442), (1866, 10721)]