20175985137

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4759}}^1\times {\mathrm{18353}}^1$

素因数の和:23133

約数の個数: 32

約数和(自身を含む): 33548175360

約数和(自身を除く): 13372190223

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 4759, 14277, 18353, 33313, 52349, 55059, 99939, 128471, 157047, 201883, 366443, 385413, 605649, 1099329, 1413181, 4239543, 87341927, 262025781, 611393489, 960761197, 1834180467, 2882283591, 6725328379, 20175985137]

約数ペア:

[(1, 20175985137), (3, 6725328379), (7, 2882283591), (11, 1834180467), (21, 960761197), (33, 611393489), (77, 262025781), (231, 87341927), (4759, 4239543), (14277, 1413181), (18353, 1099329), (33313, 605649), (52349, 385413), (55059, 366443), (99939, 201883), (128471, 157047)]