15378020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109843}}^1$

素因数の和:109859

約数の個数: 24

約数和(自身を含む): 36907584

約数和(自身を除く): 21529564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 109843, 219686, 439372, 549215, 768901, 1098430, 1537802, 2196860, 3075604, 3844505, 7689010, 15378020]

約数ペア:

[(1, 15378020), (2, 7689010), (4, 3844505), (5, 3075604), (7, 2196860), (10, 1537802), (14, 1098430), (20, 768901), (28, 549215), (35, 439372), (70, 219686), (140, 109843)]