20790742438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1364401}}^1$

素因数の和:1364823

約数の個数: 16

約数和(自身を含む): 32909376240

約数和(自身を除く): 12118633802

約数列:

[1, 2, 19, 38, 401, 802, 7619, 15238, 1364401, 2728802, 25923619, 51847238, 547124801, 1094249602, 10395371219, 20790742438]

約数ペア:

[(1, 20790742438), (2, 10395371219), (19, 1094249602), (38, 547124801), (401, 51847238), (802, 25923619), (7619, 2728802), (15238, 1364401)]