20202424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2273}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 41750640

約数和(自身を除く): 21548216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2273, 4444, 4546, 8888, 9092, 18184, 25003, 50006, 100012, 200024, 229573, 459146, 918292, 1836584, 2525303, 5050606, 10101212, 20202424]

約数ペア:

[(1, 20202424), (2, 10101212), (4, 5050606), (8, 2525303), (11, 1836584), (22, 918292), (44, 459146), (88, 229573), (101, 200024), (202, 100012), (404, 50006), (808, 25003), (1111, 18184), (2222, 9092), (2273, 8888), (4444, 4546)]