20612365

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1980

約数の個数: 16

約数和(自身を含む): 25906176

約数和(自身を除く): 5293811

約数列:

[1, 5, 31, 71, 155, 355, 1873, 2201, 9365, 11005, 58063, 132983, 290315, 664915, 4122473, 20612365]

約数ペア:

[(1, 20612365), (5, 4122473), (31, 664915), (71, 290315), (155, 132983), (355, 58063), (1873, 11005), (2201, 9365)]