20512238376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1\times {\mathrm{1171}}^1$

素因数の和:2135

約数の個数: 128

約数和(自身を含む): 59190312960

約数和(自身を除く): 38678074584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 821, 889, 1016, 1171, 1524, 1642, 1778, 2342, 2463, 2667, 3048, 3284, 3513, 3556, 4684, 4926, 5334, 5747, 6568, 7026, 7112, 8197, 9368, 9852, 10668, 11494, 14052, 16394, 17241, 19704, 21336, 22988, 24591, 28104, 32788, 34482, 45976, 49182, 65576, 68964, 98364, 104267, 137928, 148717, 196728, 208534, 297434, 312801, 417068, 446151, 594868, 625602, 729869, 834136, 892302, 961391, 1041019, 1189736, 1251204, 1459738, 1784604, 1922782, 2082038, 2189607, 2502408, 2884173, 2919476, 3123057, 3569208, 3845564, 4164076, 4379214, 5768346, 5838952, 6246114, 6729737, 7691128, 8328152, 8758428, 11536692, 12492228, 13459474, 17516856, 20189211, 23073384, 24984456, 26918948, 40378422, 53837896, 80756844, 122096657, 161513688, 244193314, 366289971, 488386628, 732579942, 854676599, 976773256, 1465159884, 1709353198, 2564029797, 2930319768, 3418706396, 5128059594, 6837412792, 10256119188, 20512238376]

約数ペア:

[(1, 20512238376), (2, 10256119188), (3, 6837412792), (4, 5128059594), (6, 3418706396), (7, 2930319768), (8, 2564029797), (12, 1709353198), (14, 1465159884), (21, 976773256), (24, 854676599), (28, 732579942), (42, 488386628), (56, 366289971), (84, 244193314), (127, 161513688), (168, 122096657), (254, 80756844), (381, 53837896), (508, 40378422), (762, 26918948), (821, 24984456), (889, 23073384), (1016, 20189211), (1171, 17516856), (1524, 13459474), (1642, 12492228), (1778, 11536692), (2342, 8758428), (2463, 8328152), (2667, 7691128), (3048, 6729737), (3284, 6246114), (3513, 5838952), (3556, 5768346), (4684, 4379214), (4926, 4164076), (5334, 3845564), (5747, 3569208), (6568, 3123057), (7026, 2919476), (7112, 2884173), (8197, 2502408), (9368, 2189607), (9852, 2082038), (10668, 1922782), (11494, 1784604), (14052, 1459738), (16394, 1251204), (17241, 1189736), (19704, 1041019), (21336, 961391), (22988, 892302), (24591, 834136), (28104, 729869), (32788, 625602), (34482, 594868), (45976, 446151), (49182, 417068), (65576, 312801), (68964, 297434), (98364, 208534), (104267, 196728), (137928, 148717)]