20587117740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{162847}}^1$

素因数の和:162916

約数の個数: 144

約数和(自身を含む): 68615027712

約数和(自身を除く): 48027909972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 735, 860, 903, 980, 1204, 1290, 1470, 1505, 1806, 2107, 2580, 2940, 3010, 3612, 4214, 4515, 6020, 6321, 8428, 9030, 10535, 12642, 18060, 21070, 25284, 31605, 42140, 63210, 126420, 162847, 325694, 488541, 651388, 814235, 977082, 1139929, 1628470, 1954164, 2279858, 2442705, 3256940, 3419787, 4559716, 4885410, 5699645, 6839574, 7002421, 7979503, 9770820, 11399290, 13679148, 14004842, 15959006, 17098935, 21007263, 22798580, 23938509, 28009684, 31918012, 34197870, 35012105, 39897515, 42014526, 47877018, 49016947, 68395740, 70024210, 79795030, 84029052, 95754036, 98033894, 105036315, 119692545, 140048420, 147050841, 159590060, 196067788, 210072630, 239385090, 245084735, 294101682, 343118629, 420145260, 478770180, 490169470, 588203364, 686237258, 735254205, 980338940, 1029355887, 1372474516, 1470508410, 1715593145, 2058711774, 2941016820, 3431186290, 4117423548, 5146779435, 6862372580, 10293558870, 20587117740]

約数ペア:

[(1, 20587117740), (2, 10293558870), (3, 6862372580), (4, 5146779435), (5, 4117423548), (6, 3431186290), (7, 2941016820), (10, 2058711774), (12, 1715593145), (14, 1470508410), (15, 1372474516), (20, 1029355887), (21, 980338940), (28, 735254205), (30, 686237258), (35, 588203364), (42, 490169470), (43, 478770180), (49, 420145260), (60, 343118629), (70, 294101682), (84, 245084735), (86, 239385090), (98, 210072630), (105, 196067788), (129, 159590060), (140, 147050841), (147, 140048420), (172, 119692545), (196, 105036315), (210, 98033894), (215, 95754036), (245, 84029052), (258, 79795030), (294, 70024210), (301, 68395740), (420, 49016947), (430, 47877018), (490, 42014526), (516, 39897515), (588, 35012105), (602, 34197870), (645, 31918012), (735, 28009684), (860, 23938509), (903, 22798580), (980, 21007263), (1204, 17098935), (1290, 15959006), (1470, 14004842), (1505, 13679148), (1806, 11399290), (2107, 9770820), (2580, 7979503), (2940, 7002421), (3010, 6839574), (3612, 5699645), (4214, 4885410), (4515, 4559716), (6020, 3419787), (6321, 3256940), (8428, 2442705), (9030, 2279858), (10535, 1954164), (12642, 1628470), (18060, 1139929), (21070, 977082), (25284, 814235), (31605, 651388), (42140, 488541), (63210, 325694), (126420, 162847)]