8766020

素因数分解:

$2^2\times 5^1\times {\mathrm{438301}}^1$

素因数の和:438310

約数の個数: 12

約数和(自身を含む): 18408684

約数和(自身を除く): 9642664

約数列:

[1, 2, 4, 5, 10, 20, 438301, 876602, 1753204, 2191505, 4383010, 8766020]

約数ペア:

[(1, 8766020), (2, 4383010), (4, 2191505), (5, 1753204), (10, 876602), (20, 438301)]