20426247972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{12161}}^1$

素因数の和:12318

約数の個数: 144

約数和(自身を含む): 57701100912

約数和(自身を除く): 37274852940

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 97, 111, 117, 148, 156, 194, 222, 234, 291, 333, 388, 444, 468, 481, 582, 666, 873, 962, 1164, 1261, 1332, 1443, 1746, 1924, 2522, 2886, 3492, 3589, 3783, 4329, 5044, 5772, 7178, 7566, 8658, 10767, 11349, 12161, 14356, 15132, 17316, 21534, 22698, 24322, 32301, 36483, 43068, 45396, 46657, 48644, 64602, 72966, 93314, 109449, 129204, 139971, 145932, 158093, 186628, 218898, 279942, 316186, 419913, 437796, 449957, 474279, 559884, 632372, 839826, 899914, 948558, 1179617, 1349871, 1422837, 1679652, 1799828, 1897116, 2359234, 2699742, 2845674, 3538851, 4049613, 4718468, 5399484, 5691348, 5849441, 7077702, 8099226, 10616553, 11698882, 14155404, 15335021, 16198452, 17548323, 21233106, 23397764, 30670042, 35096646, 42466212, 43645829, 46005063, 52644969, 61340084, 70193292, 87291658, 92010126, 105289938, 130937487, 138015189, 174583316, 184020252, 210579876, 261874974, 276030378, 392812461, 523749948, 552060756, 567395777, 785624922, 1134791554, 1571249844, 1702187331, 2269583108, 3404374662, 5106561993, 6808749324, 10213123986, 20426247972]

約数ペア:

[(1, 20426247972), (2, 10213123986), (3, 6808749324), (4, 5106561993), (6, 3404374662), (9, 2269583108), (12, 1702187331), (13, 1571249844), (18, 1134791554), (26, 785624922), (36, 567395777), (37, 552060756), (39, 523749948), (52, 392812461), (74, 276030378), (78, 261874974), (97, 210579876), (111, 184020252), (117, 174583316), (148, 138015189), (156, 130937487), (194, 105289938), (222, 92010126), (234, 87291658), (291, 70193292), (333, 61340084), (388, 52644969), (444, 46005063), (468, 43645829), (481, 42466212), (582, 35096646), (666, 30670042), (873, 23397764), (962, 21233106), (1164, 17548323), (1261, 16198452), (1332, 15335021), (1443, 14155404), (1746, 11698882), (1924, 10616553), (2522, 8099226), (2886, 7077702), (3492, 5849441), (3589, 5691348), (3783, 5399484), (4329, 4718468), (5044, 4049613), (5772, 3538851), (7178, 2845674), (7566, 2699742), (8658, 2359234), (10767, 1897116), (11349, 1799828), (12161, 1679652), (14356, 1422837), (15132, 1349871), (17316, 1179617), (21534, 948558), (22698, 899914), (24322, 839826), (32301, 632372), (36483, 559884), (43068, 474279), (45396, 449957), (46657, 437796), (48644, 419913), (64602, 316186), (72966, 279942), (93314, 218898), (109449, 186628), (129204, 158093), (139971, 145932)]