20128291209

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{556753}}^1$

素因数の和:556878

約数の個数: 32

約数和(自身を含む): 32425352960

約数和(自身を除く): 12297061751

約数列:

[1, 3, 9, 13, 27, 39, 103, 117, 309, 351, 927, 1339, 2781, 4017, 12051, 36153, 556753, 1670259, 5010777, 7237789, 15032331, 21713367, 57345559, 65140101, 172036677, 195420303, 516110031, 745492267, 1548330093, 2236476801, 6709430403, 20128291209]

約数ペア:

[(1, 20128291209), (3, 6709430403), (9, 2236476801), (13, 1548330093), (27, 745492267), (39, 516110031), (103, 195420303), (117, 172036677), (309, 65140101), (351, 57345559), (927, 21713367), (1339, 15032331), (2781, 7237789), (4017, 5010777), (12051, 1670259), (36153, 556753)]