2020660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 4306176

約数和(自身を除く): 2285516

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1423, 2846, 5692, 7115, 14230, 28460, 101033, 202066, 404132, 505165, 1010330, 2020660]

約数ペア:

[(1, 2020660), (2, 1010330), (4, 505165), (5, 404132), (10, 202066), (20, 101033), (71, 28460), (142, 14230), (284, 7115), (355, 5692), (710, 2846), (1420, 1423)]