20921784912

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{5581}}^1\times {\mathrm{3719}}^1$

素因数の和:9321

約数の個数: 120

約数和(自身を含む): 66946488960

約数和(自身を除く): 46024704048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 3719, 5581, 7438, 11157, 11162, 14876, 16743, 22314, 22324, 26033, 29752, 33471, 33486, 39067, 44628, 44648, 50229, 52066, 59504, 66942, 66972, 78099, 78134, 89256, 89296, 100458, 104132, 117201, 133884, 133944, 156198, 156268, 178512, 200916, 208264, 234297, 234402, 267768, 267888, 312396, 312536, 351603, 401832, 416528, 468594, 468804, 535536, 624792, 625072, 703206, 803664, 937188, 937608, 1249584, 1406412, 1874376, 1875216, 2812824, 3748752, 5625648, 20755739, 41511478, 62267217, 83022956, 124534434, 145290173, 166045912, 186801651, 249068868, 290580346, 332091824, 373603302, 435870519, 498137736, 581160692, 747206604, 871741038, 996275472, 1162321384, 1307611557, 1494413208, 1743482076, 2324642768, 2615223114, 2988826416, 3486964152, 5230446228, 6973928304, 10460892456, 20921784912]

約数ペア:

[(1, 20921784912), (2, 10460892456), (3, 6973928304), (4, 5230446228), (6, 3486964152), (7, 2988826416), (8, 2615223114), (9, 2324642768), (12, 1743482076), (14, 1494413208), (16, 1307611557), (18, 1162321384), (21, 996275472), (24, 871741038), (28, 747206604), (36, 581160692), (42, 498137736), (48, 435870519), (56, 373603302), (63, 332091824), (72, 290580346), (84, 249068868), (112, 186801651), (126, 166045912), (144, 145290173), (168, 124534434), (252, 83022956), (336, 62267217), (504, 41511478), (1008, 20755739), (3719, 5625648), (5581, 3748752), (7438, 2812824), (11157, 1875216), (11162, 1874376), (14876, 1406412), (16743, 1249584), (22314, 937608), (22324, 937188), (26033, 803664), (29752, 703206), (33471, 625072), (33486, 624792), (39067, 535536), (44628, 468804), (44648, 468594), (50229, 416528), (52066, 401832), (59504, 351603), (66942, 312536), (66972, 312396), (78099, 267888), (78134, 267768), (89256, 234402), (89296, 234297), (100458, 208264), (104132, 200916), (117201, 178512), (133884, 156268), (133944, 156198)]