20120465529

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{739}}^1\times {\mathrm{7817}}^1$

素因数の和:8611

約数の個数: 40

約数和(自身を含む): 30801043680

約数和(自身を除く): 10680578151

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 739, 1161, 2217, 3483, 6651, 7817, 19953, 23451, 31777, 59859, 70353, 95331, 211059, 285993, 336131, 633177, 857979, 1008393, 2573937, 3025179, 5776763, 9075537, 17330289, 27226611, 51990867, 155972601, 248400809, 467917803, 745202427, 2235607281, 6706821843, 20120465529]

約数ペア:

[(1, 20120465529), (3, 6706821843), (9, 2235607281), (27, 745202427), (43, 467917803), (81, 248400809), (129, 155972601), (387, 51990867), (739, 27226611), (1161, 17330289), (2217, 9075537), (3483, 5776763), (6651, 3025179), (7817, 2573937), (19953, 1008393), (23451, 857979), (31777, 633177), (59859, 336131), (70353, 285993), (95331, 211059)]