20499722

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8999}}^1$

素因数の和:9085

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 12548278

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8999, 17998, 152983, 305966, 602933, 1205866, 10249861, 20499722]

約数ペア:

[(1, 20499722), (2, 10249861), (17, 1205866), (34, 602933), (67, 305966), (134, 152983), (1139, 17998), (2278, 8999)]