12210220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55501}}^1$

素因数の和:55521

約数の個数: 24

約数和(自身を含む): 27973008

約数和(自身を除く): 15762788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 55501, 111002, 222004, 277505, 555010, 610511, 1110020, 1221022, 2442044, 3052555, 6105110, 12210220]

約数ペア:

[(1, 12210220), (2, 6105110), (4, 3052555), (5, 2442044), (10, 1221022), (11, 1110020), (20, 610511), (22, 555010), (44, 277505), (55, 222004), (110, 111002), (220, 55501)]