20169320

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{859}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 45511200

約数和(自身を除く): 25341880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 859, 1174, 1718, 2348, 2935, 3436, 4295, 4696, 5870, 6872, 8590, 11740, 17180, 23480, 34360, 504233, 1008466, 2016932, 2521165, 4033864, 5042330, 10084660, 20169320]

約数ペア:

[(1, 20169320), (2, 10084660), (4, 5042330), (5, 4033864), (8, 2521165), (10, 2016932), (20, 1008466), (40, 504233), (587, 34360), (859, 23480), (1174, 17180), (1718, 11740), (2348, 8590), (2935, 6872), (3436, 5870), (4295, 4696)]