20178860286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258703337}}^1$

素因数の和:258703355

約数の個数: 16

約数和(自身を含む): 43462160784

約数和(自身を除く): 23283300498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258703337, 517406674, 776110011, 1552220022, 3363143381, 6726286762, 10089430143, 20178860286]

約数ペア:

[(1, 20178860286), (2, 10089430143), (3, 6726286762), (6, 3363143381), (13, 1552220022), (26, 776110011), (39, 517406674), (78, 258703337)]