20920473072

素因数分解:

$2^4\times 3^3\times {\mathrm{569}}^1\times {\mathrm{85109}}^1$

素因数の和:85695

約数の個数: 80

約数和(自身を含む): 60155748000

約数和(自身を除く): 39235274928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 569, 1138, 1707, 2276, 3414, 4552, 5121, 6828, 9104, 10242, 13656, 15363, 20484, 27312, 30726, 40968, 61452, 81936, 85109, 122904, 170218, 245808, 255327, 340436, 510654, 680872, 765981, 1021308, 1361744, 1531962, 2042616, 2297943, 3063924, 4085232, 4595886, 6127848, 9191772, 12255696, 18383544, 36767088, 48427021, 96854042, 145281063, 193708084, 290562126, 387416168, 435843189, 581124252, 774832336, 871686378, 1162248504, 1307529567, 1743372756, 2324497008, 2615059134, 3486745512, 5230118268, 6973491024, 10460236536, 20920473072]

約数ペア:

[(1, 20920473072), (2, 10460236536), (3, 6973491024), (4, 5230118268), (6, 3486745512), (8, 2615059134), (9, 2324497008), (12, 1743372756), (16, 1307529567), (18, 1162248504), (24, 871686378), (27, 774832336), (36, 581124252), (48, 435843189), (54, 387416168), (72, 290562126), (108, 193708084), (144, 145281063), (216, 96854042), (432, 48427021), (569, 36767088), (1138, 18383544), (1707, 12255696), (2276, 9191772), (3414, 6127848), (4552, 4595886), (5121, 4085232), (6828, 3063924), (9104, 2297943), (10242, 2042616), (13656, 1531962), (15363, 1361744), (20484, 1021308), (27312, 765981), (30726, 680872), (40968, 510654), (61452, 340436), (81936, 255327), (85109, 245808), (122904, 170218)]