20892419

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 2147581

約数列:

[1, 19, 31, 79, 449, 589, 1501, 2449, 8531, 13919, 35471, 46531, 264461, 673949, 1099601, 20892419]

約数ペア:

[(1, 20892419), (19, 1099601), (31, 673949), (79, 264461), (449, 46531), (589, 35471), (1501, 13919), (2449, 8531)]