20748672

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 50537088

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, 64, 72, 83, 84, 93, 96, 112, 124, 126, 128, 144, 166, 168, 186, 192, 217, 224, 248, 249, 252, 279, 288, 332, 336, 372, 384, 434, 448, 496, 498, 504, 558, 576, 581, 651, 664, 672, 744, 747, 868, 896, 992, 996, 1008, 1116, 1152, 1162, 1302, 1328, 1344, 1488, 1494, 1736, 1743, 1953, 1984, 1992, 2016, 2232, 2324, 2573, 2604, 2656, 2688, 2976, 2988, 3472, 3486, 3906, 3968, 3984, 4032, 4464, 4648, 5146, 5208, 5229, 5312, 5952, 5976, 6944, 6972, 7719, 7812, 7968, 8064, 8928, 9296, 10292, 10416, 10458, 10624, 11904, 11952, 13888, 13944, 15438, 15624, 15936, 17856, 18011, 18592, 20584, 20832, 20916, 23157, 23904, 27776, 27888, 30876, 31248, 31872, 35712, 36022, 37184, 41168, 41664, 41832, 46314, 47808, 54033, 55776, 61752, 62496, 72044, 74368, 82336, 83328, 83664, 92628, 95616, 108066, 111552, 123504, 124992, 144088, 162099, 164672, 167328, 185256, 216132, 223104, 247008, 249984, 288176, 324198, 329344, 334656, 370512, 432264, 494016, 576352, 648396, 669312, 741024, 864528, 988032, 1152704, 1296792, 1482048, 1729056, 2305408, 2593584, 2964096, 3458112, 5187168, 6916224, 10374336, 20748672]

約数ペア:

[(1, 20748672), (2, 10374336), (3, 6916224), (4, 5187168), (6, 3458112), (7, 2964096), (8, 2593584), (9, 2305408), (12, 1729056), (14, 1482048), (16, 1296792), (18, 1152704), (21, 988032), (24, 864528), (28, 741024), (31, 669312), (32, 648396), (36, 576352), (42, 494016), (48, 432264), (56, 370512), (62, 334656), (63, 329344), (64, 324198), (72, 288176), (83, 249984), (84, 247008), (93, 223104), (96, 216132), (112, 185256), (124, 167328), (126, 164672), (128, 162099), (144, 144088), (166, 124992), (168, 123504), (186, 111552), (192, 108066), (217, 95616), (224, 92628), (248, 83664), (249, 83328), (252, 82336), (279, 74368), (288, 72044), (332, 62496), (336, 61752), (372, 55776), (384, 54033), (434, 47808), (448, 46314), (496, 41832), (498, 41664), (504, 41168), (558, 37184), (576, 36022), (581, 35712), (651, 31872), (664, 31248), (672, 30876), (744, 27888), (747, 27776), (868, 23904), (896, 23157), (992, 20916), (996, 20832), (1008, 20584), (1116, 18592), (1152, 18011), (1162, 17856), (1302, 15936), (1328, 15624), (1344, 15438), (1488, 13944), (1494, 13888), (1736, 11952), (1743, 11904), (1953, 10624), (1984, 10458), (1992, 10416), (2016, 10292), (2232, 9296), (2324, 8928), (2573, 8064), (2604, 7968), (2656, 7812), (2688, 7719), (2976, 6972), (2988, 6944), (3472, 5976), (3486, 5952), (3906, 5312), (3968, 5229), (3984, 5208), (4032, 5146), (4464, 4648)]