20166068727

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{644057}}^1$

素因数の和:644148

約数の個数: 36

約数和(自身を含む): 34361782416

約数和(自身を除く): 14195713689

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 10437, 31311, 644057, 1932171, 4508399, 5796513, 13525197, 31558793, 40575591, 45728047, 94676379, 137184141, 284029137, 320096329, 411552423, 960288987, 2240674303, 2880866961, 6722022909, 20166068727]

約数ペア:

[(1, 20166068727), (3, 6722022909), (7, 2880866961), (9, 2240674303), (21, 960288987), (49, 411552423), (63, 320096329), (71, 284029137), (147, 137184141), (213, 94676379), (441, 45728047), (497, 40575591), (639, 31558793), (1491, 13525197), (3479, 5796513), (4473, 4508399), (10437, 1932171), (31311, 644057)]