15309020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10781}}^1$

素因数の和:10861

約数の個数: 24

約数和(自身を含む): 32604768

約数和(自身を除く): 17295748

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10781, 21562, 43124, 53905, 107810, 215620, 765451, 1530902, 3061804, 3827255, 7654510, 15309020]

約数ペア:

[(1, 15309020), (2, 7654510), (4, 3827255), (5, 3061804), (10, 1530902), (20, 765451), (71, 215620), (142, 107810), (284, 53905), (355, 43124), (710, 21562), (1420, 10781)]