22820920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2273}}^1$

素因数の和:2535

約数の個数: 32

約数和(自身を含む): 51574320

約数和(自身を除く): 28753400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2273, 2510, 4546, 5020, 9092, 10040, 11365, 18184, 22730, 45460, 90920, 570523, 1141046, 2282092, 2852615, 4564184, 5705230, 11410460, 22820920]

約数ペア:

[(1, 22820920), (2, 11410460), (4, 5705230), (5, 4564184), (8, 2852615), (10, 2282092), (20, 1141046), (40, 570523), (251, 90920), (502, 45460), (1004, 22730), (1255, 18184), (2008, 11365), (2273, 10040), (2510, 9092), (4546, 5020)]