20866617072

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{62921}}^1$

素因数の和:62996

約数の個数: 180

約数和(自身を含む): 69378300576

約数和(自身を除く): 48511683504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 49, 56, 63, 72, 84, 94, 98, 112, 126, 141, 144, 147, 168, 188, 196, 252, 282, 294, 329, 336, 376, 392, 423, 441, 504, 564, 588, 658, 752, 784, 846, 882, 987, 1008, 1128, 1176, 1316, 1692, 1764, 1974, 2256, 2303, 2352, 2632, 2961, 3384, 3528, 3948, 4606, 5264, 5922, 6768, 6909, 7056, 7896, 9212, 11844, 13818, 15792, 18424, 20727, 23688, 27636, 36848, 41454, 47376, 55272, 62921, 82908, 110544, 125842, 165816, 188763, 251684, 331632, 377526, 440447, 503368, 566289, 755052, 880894, 1006736, 1132578, 1321341, 1510104, 1761788, 2265156, 2642682, 2957287, 3020208, 3083129, 3523576, 3964023, 4530312, 5285364, 5914574, 6166258, 7047152, 7928046, 8871861, 9060624, 9249387, 10570728, 11829148, 12332516, 15856092, 17743722, 18498774, 20701009, 21141456, 23658296, 24665032, 26615583, 27748161, 31712184, 35487444, 36997548, 41402018, 47316592, 49330064, 53231166, 55496322, 62103027, 63424368, 70974888, 73995096, 82804036, 106462332, 110992644, 124206054, 141949776, 144907063, 147990192, 165608072, 186309081, 212924664, 221985288, 248412108, 289814126, 331216144, 372618162, 425849328, 434721189, 443970576, 496824216, 579628252, 745236324, 869442378, 993648432, 1159256504, 1304163567, 1490472648, 1738884756, 2318513008, 2608327134, 2980945296, 3477769512, 5216654268, 6955539024, 10433308536, 20866617072]

約数ペア:

[(1, 20866617072), (2, 10433308536), (3, 6955539024), (4, 5216654268), (6, 3477769512), (7, 2980945296), (8, 2608327134), (9, 2318513008), (12, 1738884756), (14, 1490472648), (16, 1304163567), (18, 1159256504), (21, 993648432), (24, 869442378), (28, 745236324), (36, 579628252), (42, 496824216), (47, 443970576), (48, 434721189), (49, 425849328), (56, 372618162), (63, 331216144), (72, 289814126), (84, 248412108), (94, 221985288), (98, 212924664), (112, 186309081), (126, 165608072), (141, 147990192), (144, 144907063), (147, 141949776), (168, 124206054), (188, 110992644), (196, 106462332), (252, 82804036), (282, 73995096), (294, 70974888), (329, 63424368), (336, 62103027), (376, 55496322), (392, 53231166), (423, 49330064), (441, 47316592), (504, 41402018), (564, 36997548), (588, 35487444), (658, 31712184), (752, 27748161), (784, 26615583), (846, 24665032), (882, 23658296), (987, 21141456), (1008, 20701009), (1128, 18498774), (1176, 17743722), (1316, 15856092), (1692, 12332516), (1764, 11829148), (1974, 10570728), (2256, 9249387), (2303, 9060624), (2352, 8871861), (2632, 7928046), (2961, 7047152), (3384, 6166258), (3528, 5914574), (3948, 5285364), (4606, 4530312), (5264, 3964023), (5922, 3523576), (6768, 3083129), (6909, 3020208), (7056, 2957287), (7896, 2642682), (9212, 2265156), (11844, 1761788), (13818, 1510104), (15792, 1321341), (18424, 1132578), (20727, 1006736), (23688, 880894), (27636, 755052), (36848, 566289), (41454, 503368), (47376, 440447), (55272, 377526), (62921, 331632), (82908, 251684), (110544, 188763), (125842, 165816)]