20041877520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1325521}}^1$

素因数の和:1325550

約数の個数: 160

約数和(自身を含む): 78895069440

約数和(自身を除く): 58853191920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 1325521, 2651042, 3976563, 5302084, 6627605, 7953126, 9278647, 10604168, 11929689, 13255210, 15906252, 18557294, 19882815, 21208336, 23859378, 26510420, 27835941, 31812504, 35789067, 37114588, 39765630, 46393235, 47718756, 53020840, 55671882, 59648445, 63625008, 71578134, 74229176, 79531260, 83507823, 92786470, 95437512, 106041680, 111343764, 119296890, 139179705, 143156268, 148458352, 159062520, 167015646, 178945335, 185572940, 190875024, 222687528, 238593780, 250523469, 278359410, 286312536, 318125040, 334031292, 357890670, 371145880, 417539115, 445375056, 477187560, 501046938, 556718820, 572625072, 668062584, 715781340, 742291760, 835078230, 954375120, 1002093876, 1113437640, 1252617345, 1336125168, 1431562680, 1670156460, 2004187752, 2226875280, 2505234690, 2863125360, 3340312920, 4008375504, 5010469380, 6680625840, 10020938760, 20041877520]

約数ペア:

[(1, 20041877520), (2, 10020938760), (3, 6680625840), (4, 5010469380), (5, 4008375504), (6, 3340312920), (7, 2863125360), (8, 2505234690), (9, 2226875280), (10, 2004187752), (12, 1670156460), (14, 1431562680), (15, 1336125168), (16, 1252617345), (18, 1113437640), (20, 1002093876), (21, 954375120), (24, 835078230), (27, 742291760), (28, 715781340), (30, 668062584), (35, 572625072), (36, 556718820), (40, 501046938), (42, 477187560), (45, 445375056), (48, 417539115), (54, 371145880), (56, 357890670), (60, 334031292), (63, 318125040), (70, 286312536), (72, 278359410), (80, 250523469), (84, 238593780), (90, 222687528), (105, 190875024), (108, 185572940), (112, 178945335), (120, 167015646), (126, 159062520), (135, 148458352), (140, 143156268), (144, 139179705), (168, 119296890), (180, 111343764), (189, 106041680), (210, 95437512), (216, 92786470), (240, 83507823), (252, 79531260), (270, 74229176), (280, 71578134), (315, 63625008), (336, 59648445), (360, 55671882), (378, 53020840), (420, 47718756), (432, 46393235), (504, 39765630), (540, 37114588), (560, 35789067), (630, 31812504), (720, 27835941), (756, 26510420), (840, 23859378), (945, 21208336), (1008, 19882815), (1080, 18557294), (1260, 15906252), (1512, 13255210), (1680, 11929689), (1890, 10604168), (2160, 9278647), (2520, 7953126), (3024, 6627605), (3780, 5302084), (5040, 3976563), (7560, 2651042), (15120, 1325521)]