20866573

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7907}}^1$

素因数の和:7956

約数の個数: 16

約数和(自身を含む): 26570880

約数和(自身を除く): 5704307

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 7907, 55349, 102791, 229303, 719537, 1605121, 2980939, 20866573]

約数ペア:

[(1, 20866573), (7, 2980939), (13, 1605121), (29, 719537), (91, 229303), (203, 102791), (377, 55349), (2639, 7907)]