20623174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72109}}^1$

素因数の和:72135

約数の個数: 16

約数和(自身を含む): 36343440

約数和(自身を除く): 15720266

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72109, 144218, 793199, 937417, 1586398, 1874834, 10311587, 20623174]

約数ペア:

[(1, 20623174), (2, 10311587), (11, 1874834), (13, 1586398), (22, 937417), (26, 793199), (143, 144218), (286, 72109)]