20809216120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{965177}}^1$

素因数の和:965213

約数の個数: 96

約数和(自身を含む): 59416357680

約数和(自身を除く): 38607141560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10780, 21560, 965177, 1930354, 3860708, 4825885, 6756239, 7721416, 9651770, 10616947, 13512478, 19303540, 21233894, 27024956, 33781195, 38607080, 42467788, 47293673, 53084735, 54049912, 67562390, 74318629, 84935576, 94587346, 106169470, 135124780, 148637258, 189174692, 212338940, 236468365, 270249560, 297274516, 371593145, 378349384, 424677880, 472936730, 520230403, 594549032, 743186290, 945873460, 1040460806, 1486372580, 1891746920, 2080921612, 2601152015, 2972745160, 4161843224, 5202304030, 10404608060, 20809216120]

約数ペア:

[(1, 20809216120), (2, 10404608060), (4, 5202304030), (5, 4161843224), (7, 2972745160), (8, 2601152015), (10, 2080921612), (11, 1891746920), (14, 1486372580), (20, 1040460806), (22, 945873460), (28, 743186290), (35, 594549032), (40, 520230403), (44, 472936730), (49, 424677880), (55, 378349384), (56, 371593145), (70, 297274516), (77, 270249560), (88, 236468365), (98, 212338940), (110, 189174692), (140, 148637258), (154, 135124780), (196, 106169470), (220, 94587346), (245, 84935576), (280, 74318629), (308, 67562390), (385, 54049912), (392, 53084735), (440, 47293673), (490, 42467788), (539, 38607080), (616, 33781195), (770, 27024956), (980, 21233894), (1078, 19303540), (1540, 13512478), (1960, 10616947), (2156, 9651770), (2695, 7721416), (3080, 6756239), (4312, 4825885), (5390, 3860708), (10780, 1930354), (21560, 965177)]