20565430281

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{12689}}^1$

素因数の和:12836

約数の個数: 80

約数和(自身を含む): 35819910720

約数和(自身を除く): 15254480439

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 107, 153, 187, 297, 321, 459, 561, 891, 963, 1177, 1377, 1683, 1819, 2889, 3531, 5049, 5457, 8667, 10593, 12689, 15147, 16371, 20009, 31779, 38067, 49113, 60027, 95337, 114201, 139579, 147339, 180081, 215713, 342603, 418737, 540243, 647139, 1027809, 1256211, 1357723, 1620729, 1941417, 2372843, 3768633, 4073169, 5824251, 7118529, 11305899, 12219507, 14934953, 17472753, 21355587, 23081291, 36658521, 44804859, 64066761, 69243873, 109975563, 134414577, 192200283, 207731619, 253894201, 403243731, 623194857, 761682603, 1209731193, 1869584571, 2285047809, 6855143427, 20565430281]

約数ペア:

[(1, 20565430281), (3, 6855143427), (9, 2285047809), (11, 1869584571), (17, 1209731193), (27, 761682603), (33, 623194857), (51, 403243731), (81, 253894201), (99, 207731619), (107, 192200283), (153, 134414577), (187, 109975563), (297, 69243873), (321, 64066761), (459, 44804859), (561, 36658521), (891, 23081291), (963, 21355587), (1177, 17472753), (1377, 14934953), (1683, 12219507), (1819, 11305899), (2889, 7118529), (3531, 5824251), (5049, 4073169), (5457, 3768633), (8667, 2372843), (10593, 1941417), (12689, 1620729), (15147, 1357723), (16371, 1256211), (20009, 1027809), (31779, 647139), (38067, 540243), (49113, 418737), (60027, 342603), (95337, 215713), (114201, 180081), (139579, 147339)]