20538247968

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{328633}}^1$

素因数の和:328687

約数の個数: 144

約数和(自身を含む): 68902718976

約数和(自身を除く): 48364471008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 217, 224, 248, 252, 279, 288, 336, 372, 434, 496, 504, 558, 651, 672, 744, 868, 992, 1008, 1116, 1302, 1488, 1736, 1953, 2016, 2232, 2604, 2976, 3472, 3906, 4464, 5208, 6944, 7812, 8928, 10416, 15624, 20832, 31248, 62496, 328633, 657266, 985899, 1314532, 1971798, 2300431, 2629064, 2957697, 3943596, 4600862, 5258128, 5915394, 6901293, 7887192, 9201724, 10187623, 10516256, 11830788, 13802586, 15774384, 18403448, 20375246, 20703879, 23661576, 27605172, 30562869, 31548768, 36806896, 40750492, 41407758, 47323152, 55210344, 61125738, 71313361, 73613792, 81500984, 82815516, 91688607, 94646304, 110420688, 122251476, 142626722, 163001968, 165631032, 183377214, 213940083, 220841376, 244502952, 285253444, 326003936, 331262064, 366754428, 427880166, 489005904, 570506888, 641820249, 662524128, 733508856, 855760332, 978011808, 1141013776, 1283640498, 1467017712, 1711520664, 2282027552, 2567280996, 2934035424, 3423041328, 5134561992, 6846082656, 10269123984, 20538247968]

約数ペア:

[(1, 20538247968), (2, 10269123984), (3, 6846082656), (4, 5134561992), (6, 3423041328), (7, 2934035424), (8, 2567280996), (9, 2282027552), (12, 1711520664), (14, 1467017712), (16, 1283640498), (18, 1141013776), (21, 978011808), (24, 855760332), (28, 733508856), (31, 662524128), (32, 641820249), (36, 570506888), (42, 489005904), (48, 427880166), (56, 366754428), (62, 331262064), (63, 326003936), (72, 285253444), (84, 244502952), (93, 220841376), (96, 213940083), (112, 183377214), (124, 165631032), (126, 163001968), (144, 142626722), (168, 122251476), (186, 110420688), (217, 94646304), (224, 91688607), (248, 82815516), (252, 81500984), (279, 73613792), (288, 71313361), (336, 61125738), (372, 55210344), (434, 47323152), (496, 41407758), (504, 40750492), (558, 36806896), (651, 31548768), (672, 30562869), (744, 27605172), (868, 23661576), (992, 20703879), (1008, 20375246), (1116, 18403448), (1302, 15774384), (1488, 13802586), (1736, 11830788), (1953, 10516256), (2016, 10187623), (2232, 9201724), (2604, 7887192), (2976, 6901293), (3472, 5915394), (3906, 5258128), (4464, 4600862), (5208, 3943596), (6944, 2957697), (7812, 2629064), (8928, 2300431), (10416, 1971798), (15624, 1314532), (20832, 985899), (31248, 657266), (62496, 328633)]