20270378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1069}}^1$

素因数の和:1589

約数の個数: 16

約数和(自身を含む): 32100000

約数和(自身を除く): 11829622

約数列:

[1, 2, 19, 38, 499, 998, 1069, 2138, 9481, 18962, 20311, 40622, 533431, 1066862, 10135189, 20270378]

約数ペア:

[(1, 20270378), (2, 10135189), (19, 1066862), (38, 533431), (499, 40622), (998, 20311), (1069, 18962), (2138, 9481)]