20403462681

素因数分解:

$3^6\times 7^1\times {\mathrm{1871}}^1\times {\mathrm{2137}}^1$

素因数の和:4033

約数の個数: 56

約数和(自身を含む): 34996425984

約数和(自身を除く): 14592963303

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1871, 2137, 5103, 5613, 6411, 13097, 14959, 16839, 19233, 39291, 44877, 50517, 57699, 117873, 134631, 151551, 173097, 353619, 403893, 454653, 519291, 1060857, 1211679, 1363959, 1557873, 3182571, 3635037, 3998327, 9547713, 10905111, 11994981, 27988289, 35984943, 83964867, 107954829, 251894601, 323864487, 755683803, 971593461, 2267051409, 2914780383, 6801154227, 20403462681]

約数ペア:

[(1, 20403462681), (3, 6801154227), (7, 2914780383), (9, 2267051409), (21, 971593461), (27, 755683803), (63, 323864487), (81, 251894601), (189, 107954829), (243, 83964867), (567, 35984943), (729, 27988289), (1701, 11994981), (1871, 10905111), (2137, 9547713), (5103, 3998327), (5613, 3635037), (6411, 3182571), (13097, 1557873), (14959, 1363959), (16839, 1211679), (19233, 1060857), (39291, 519291), (44877, 454653), (50517, 403893), (57699, 353619), (117873, 173097), (134631, 151551)]