2214972020

素因数分解:

$2^2\times 5^1\times {\mathrm{110748601}}^1$

素因数の和:110748610

約数の個数: 12

約数和(自身を含む): 4651441284

約数和(自身を除く): 2436469264

約数列:

[1, 2, 4, 5, 10, 20, 110748601, 221497202, 442994404, 553743005, 1107486010, 2214972020]

約数ペア:

[(1, 2214972020), (2, 1107486010), (4, 553743005), (5, 442994404), (10, 221497202), (20, 110748601)]