2222020

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 4695768

約数和(自身を除く): 2473748

約数列:

[1, 2, 4, 5, 10, 20, 241, 461, 482, 922, 964, 1205, 1844, 2305, 2410, 4610, 4820, 9220, 111101, 222202, 444404, 555505, 1111010, 2222020]

約数ペア:

[(1, 2222020), (2, 1111010), (4, 555505), (5, 444404), (10, 222202), (20, 111101), (241, 9220), (461, 4820), (482, 4610), (922, 2410), (964, 2305), (1205, 1844)]