20444398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5657}}^1$

素因数の和:5811

約数の個数: 16

約数和(自身を含む): 33269040

約数和(自身を除く): 12824642

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5657, 11314, 73541, 147082, 786323, 1572646, 10222199, 20444398]

約数ペア:

[(1, 20444398), (2, 10222199), (13, 1572646), (26, 786323), (139, 147082), (278, 73541), (1807, 11314), (3614, 5657)]