2022920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 4605120

約数和(自身を除く): 2582200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 491, 515, 824, 982, 1030, 1964, 2060, 2455, 3928, 4120, 4910, 9820, 19640, 50573, 101146, 202292, 252865, 404584, 505730, 1011460, 2022920]

約数ペア:

[(1, 2022920), (2, 1011460), (4, 505730), (5, 404584), (8, 252865), (10, 202292), (20, 101146), (40, 50573), (103, 19640), (206, 9820), (412, 4910), (491, 4120), (515, 3928), (824, 2455), (982, 2060), (1030, 1964)]