20131709780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{26783}}^1$

素因数の和:26878

約数の個数: 144

約数和(自身を含む): 53861552640

約数和(自身を除く): 33729842860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 59, 65, 70, 91, 98, 118, 130, 140, 182, 196, 236, 245, 260, 295, 364, 413, 455, 490, 590, 637, 767, 826, 910, 980, 1180, 1274, 1534, 1652, 1820, 2065, 2548, 2891, 3068, 3185, 3835, 4130, 5369, 5782, 6370, 7670, 8260, 10738, 11564, 12740, 14455, 15340, 21476, 26783, 26845, 28910, 37583, 53566, 53690, 57820, 75166, 107132, 107380, 133915, 150332, 187481, 187915, 267830, 348179, 374962, 375830, 535660, 696358, 749924, 751660, 937405, 1312367, 1392716, 1580197, 1740895, 1874810, 2437253, 2624734, 3160394, 3481790, 3749620, 4874506, 5249468, 6320788, 6561835, 6963580, 7900985, 9749012, 11061379, 12186265, 13123670, 15801970, 17060771, 20542561, 22122758, 24372530, 26247340, 31603940, 34121542, 41085122, 44245516, 48745060, 55306895, 68243084, 77429653, 82170244, 85303855, 102712805, 110613790, 143797927, 154859306, 170607710, 205425610, 221227580, 287595854, 309718612, 341215420, 387148265, 410851220, 575191708, 718989635, 774296530, 1006585489, 1437979270, 1548593060, 2013170978, 2875958540, 4026341956, 5032927445, 10065854890, 20131709780]

約数ペア:

[(1, 20131709780), (2, 10065854890), (4, 5032927445), (5, 4026341956), (7, 2875958540), (10, 2013170978), (13, 1548593060), (14, 1437979270), (20, 1006585489), (26, 774296530), (28, 718989635), (35, 575191708), (49, 410851220), (52, 387148265), (59, 341215420), (65, 309718612), (70, 287595854), (91, 221227580), (98, 205425610), (118, 170607710), (130, 154859306), (140, 143797927), (182, 110613790), (196, 102712805), (236, 85303855), (245, 82170244), (260, 77429653), (295, 68243084), (364, 55306895), (413, 48745060), (455, 44245516), (490, 41085122), (590, 34121542), (637, 31603940), (767, 26247340), (826, 24372530), (910, 22122758), (980, 20542561), (1180, 17060771), (1274, 15801970), (1534, 13123670), (1652, 12186265), (1820, 11061379), (2065, 9749012), (2548, 7900985), (2891, 6963580), (3068, 6561835), (3185, 6320788), (3835, 5249468), (4130, 4874506), (5369, 3749620), (5782, 3481790), (6370, 3160394), (7670, 2624734), (8260, 2437253), (10738, 1874810), (11564, 1740895), (12740, 1580197), (14455, 1392716), (15340, 1312367), (21476, 937405), (26783, 751660), (26845, 749924), (28910, 696358), (37583, 535660), (53566, 375830), (53690, 374962), (57820, 348179), (75166, 267830), (107132, 187915), (107380, 187481), (133915, 150332)]