20239920819

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{1031}}^1$

素因数の和:1577

約数の個数: 64

約数和(自身を含む): 31611233280

約数和(自身を除く): 11371312461

約数列:

[1, 3, 9, 27, 37, 43, 111, 129, 333, 387, 457, 999, 1031, 1161, 1371, 1591, 3093, 4113, 4773, 9279, 12339, 14319, 16909, 19651, 27837, 38147, 42957, 44333, 50727, 58953, 114441, 132999, 152181, 176859, 343323, 398997, 456543, 471167, 530577, 727087, 1029969, 1196991, 1413501, 1640321, 2181261, 4240503, 4920963, 6543783, 12721509, 14762889, 17433179, 19631349, 20260181, 44288667, 52299537, 60780543, 156898611, 182341629, 470695833, 547024887, 749626697, 2248880091, 6746640273, 20239920819]

約数ペア:

[(1, 20239920819), (3, 6746640273), (9, 2248880091), (27, 749626697), (37, 547024887), (43, 470695833), (111, 182341629), (129, 156898611), (333, 60780543), (387, 52299537), (457, 44288667), (999, 20260181), (1031, 19631349), (1161, 17433179), (1371, 14762889), (1591, 12721509), (3093, 6543783), (4113, 4920963), (4773, 4240503), (9279, 2181261), (12339, 1640321), (14319, 1413501), (16909, 1196991), (19651, 1029969), (27837, 727087), (38147, 530577), (42957, 471167), (44333, 456543), (50727, 398997), (58953, 343323), (114441, 176859), (132999, 152181)]