20198812941

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 32107944960

約数和(自身を除く): 11909132019

約数列:

[1, 3, 9, 27, 31, 61, 81, 93, 113, 183, 243, 279, 339, 389, 549, 837, 1017, 1167, 1647, 1891, 2511, 3051, 3501, 3503, 4941, 5673, 6893, 7533, 9153, 10503, 10509, 12059, 14823, 17019, 20679, 23729, 27459, 31509, 31527, 36177, 43957, 51057, 62037, 71187, 94527, 94581, 108531, 131871, 153171, 186111, 213561, 213683, 283743, 325593, 395613, 459513, 558333, 640683, 641049, 735599, 851229, 976779, 1186839, 1362667, 1674999, 1922049, 1923147, 2206797, 2681377, 2930337, 3560517, 4088001, 5766147, 5769441, 6620391, 8044131, 10681551, 12264003, 17308323, 19861173, 24132393, 36792009, 51924969, 59583519, 72397179, 83122687, 110376027, 178750557, 217191537, 249368061, 331128081, 651574611, 748104183, 2244312549, 6732937647, 20198812941]

約数ペア:

[(1, 20198812941), (3, 6732937647), (9, 2244312549), (27, 748104183), (31, 651574611), (61, 331128081), (81, 249368061), (93, 217191537), (113, 178750557), (183, 110376027), (243, 83122687), (279, 72397179), (339, 59583519), (389, 51924969), (549, 36792009), (837, 24132393), (1017, 19861173), (1167, 17308323), (1647, 12264003), (1891, 10681551), (2511, 8044131), (3051, 6620391), (3501, 5769441), (3503, 5766147), (4941, 4088001), (5673, 3560517), (6893, 2930337), (7533, 2681377), (9153, 2206797), (10503, 1923147), (10509, 1922049), (12059, 1674999), (14823, 1362667), (17019, 1186839), (20679, 976779), (23729, 851229), (27459, 735599), (31509, 641049), (31527, 640683), (36177, 558333), (43957, 459513), (51057, 395613), (62037, 325593), (71187, 283743), (94527, 213683), (94581, 213561), (108531, 186111), (131871, 153171)]