2012620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 4271904

約数和(自身を除く): 2259284

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 977, 1030, 1954, 2060, 3908, 4885, 9770, 19540, 100631, 201262, 402524, 503155, 1006310, 2012620]

約数ペア:

[(1, 2012620), (2, 1006310), (4, 503155), (5, 402524), (10, 201262), (20, 100631), (103, 19540), (206, 9770), (412, 4885), (515, 3908), (977, 2060), (1030, 1954)]