20443168

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{5861}}^1$

素因数の和:5980

約数の個数: 24

約数和(自身を含む): 40623660

約数和(自身を除く): 20180492

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 5861, 11722, 23444, 46888, 93776, 187552, 638849, 1277698, 2555396, 5110792, 10221584, 20443168]

約数ペア:

[(1, 20443168), (2, 10221584), (4, 5110792), (8, 2555396), (16, 1277698), (32, 638849), (109, 187552), (218, 93776), (436, 46888), (872, 23444), (1744, 11722), (3488, 5861)]