20201570

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9059}}^1$

素因数の和:9289

約数の個数: 16

約数和(自身を含む): 36529920

約数和(自身を除く): 16328350

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9059, 18118, 45295, 90590, 2020157, 4040314, 10100785, 20201570]

約数ペア:

[(1, 20201570), (2, 10100785), (5, 4040314), (10, 2020157), (223, 90590), (446, 45295), (1115, 18118), (2230, 9059)]