20816130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693871}}^1$

素因数の和:693881

約数の個数: 16

約数和(自身を含む): 49958784

約数和(自身を除く): 29142654

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693871, 1387742, 2081613, 3469355, 4163226, 6938710, 10408065, 20816130]

約数ペア:

[(1, 20816130), (2, 10408065), (3, 6938710), (5, 4163226), (6, 3469355), (10, 2081613), (15, 1387742), (30, 693871)]