20175903

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 32532864

約数和(自身を除く): 12356961

約数列:

[1, 3, 9, 11, 33, 97, 99, 121, 191, 291, 363, 573, 873, 1067, 1089, 1719, 2101, 3201, 6303, 9603, 11737, 18527, 18909, 23111, 35211, 55581, 69333, 105633, 166743, 203797, 207999, 611391, 1834173, 2241767, 6725301, 20175903]

約数ペア:

[(1, 20175903), (3, 6725301), (9, 2241767), (11, 1834173), (33, 611391), (97, 207999), (99, 203797), (121, 166743), (191, 105633), (291, 69333), (363, 55581), (573, 35211), (873, 23111), (1067, 18909), (1089, 18527), (1719, 11737), (2101, 9603), (3201, 6303)]