20954472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:96

約数の個数: 256

約数和(自身を含む): 74649600

約数和(自身を除く): 53695128

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 23, 24, 28, 29, 33, 34, 42, 44, 46, 51, 56, 58, 66, 68, 69, 77, 84, 87, 88, 92, 102, 116, 119, 132, 136, 138, 154, 161, 168, 174, 184, 187, 203, 204, 231, 232, 238, 253, 264, 276, 308, 319, 322, 348, 357, 374, 391, 406, 408, 462, 476, 483, 493, 506, 552, 561, 609, 616, 638, 644, 667, 696, 714, 748, 759, 782, 812, 924, 952, 957, 966, 986, 1012, 1122, 1173, 1218, 1276, 1288, 1309, 1334, 1428, 1479, 1496, 1518, 1564, 1624, 1771, 1848, 1914, 1932, 1972, 2001, 2024, 2233, 2244, 2346, 2436, 2552, 2618, 2668, 2737, 2856, 2958, 3036, 3128, 3451, 3542, 3828, 3864, 3927, 3944, 4002, 4301, 4466, 4488, 4669, 4692, 4872, 5236, 5313, 5336, 5423, 5474, 5916, 6072, 6699, 6902, 7084, 7337, 7656, 7854, 8004, 8211, 8602, 8932, 9338, 9384, 10353, 10472, 10626, 10846, 10948, 11339, 11832, 12903, 13398, 13804, 14007, 14168, 14674, 15708, 16008, 16269, 16422, 17204, 17864, 18676, 20706, 21252, 21692, 21896, 22011, 22678, 25806, 26796, 27608, 28014, 29348, 30107, 31416, 32538, 32844, 34017, 34408, 37352, 37961, 41412, 42504, 43384, 44022, 45356, 51359, 51612, 53592, 56028, 58696, 60214, 65076, 65688, 68034, 75922, 79373, 82824, 88044, 90321, 90712, 102718, 103224, 112056, 113883, 120428, 124729, 130152, 136068, 151844, 154077, 158746, 176088, 180642, 205436, 227766, 238119, 240856, 249458, 272136, 303688, 308154, 317492, 361284, 374187, 410872, 455532, 476238, 498916, 616308, 634984, 722568, 748374, 873103, 911064, 952476, 997832, 1232616, 1496748, 1746206, 1904952, 2619309, 2993496, 3492412, 5238618, 6984824, 10477236, 20954472]

約数ペア:

[(1, 20954472), (2, 10477236), (3, 6984824), (4, 5238618), (6, 3492412), (7, 2993496), (8, 2619309), (11, 1904952), (12, 1746206), (14, 1496748), (17, 1232616), (21, 997832), (22, 952476), (23, 911064), (24, 873103), (28, 748374), (29, 722568), (33, 634984), (34, 616308), (42, 498916), (44, 476238), (46, 455532), (51, 410872), (56, 374187), (58, 361284), (66, 317492), (68, 308154), (69, 303688), (77, 272136), (84, 249458), (87, 240856), (88, 238119), (92, 227766), (102, 205436), (116, 180642), (119, 176088), (132, 158746), (136, 154077), (138, 151844), (154, 136068), (161, 130152), (168, 124729), (174, 120428), (184, 113883), (187, 112056), (203, 103224), (204, 102718), (231, 90712), (232, 90321), (238, 88044), (253, 82824), (264, 79373), (276, 75922), (308, 68034), (319, 65688), (322, 65076), (348, 60214), (357, 58696), (374, 56028), (391, 53592), (406, 51612), (408, 51359), (462, 45356), (476, 44022), (483, 43384), (493, 42504), (506, 41412), (552, 37961), (561, 37352), (609, 34408), (616, 34017), (638, 32844), (644, 32538), (667, 31416), (696, 30107), (714, 29348), (748, 28014), (759, 27608), (782, 26796), (812, 25806), (924, 22678), (952, 22011), (957, 21896), (966, 21692), (986, 21252), (1012, 20706), (1122, 18676), (1173, 17864), (1218, 17204), (1276, 16422), (1288, 16269), (1309, 16008), (1334, 15708), (1428, 14674), (1479, 14168), (1496, 14007), (1518, 13804), (1564, 13398), (1624, 12903), (1771, 11832), (1848, 11339), (1914, 10948), (1932, 10846), (1972, 10626), (2001, 10472), (2024, 10353), (2233, 9384), (2244, 9338), (2346, 8932), (2436, 8602), (2552, 8211), (2618, 8004), (2668, 7854), (2737, 7656), (2856, 7337), (2958, 7084), (3036, 6902), (3128, 6699), (3451, 6072), (3542, 5916), (3828, 5474), (3864, 5423), (3927, 5336), (3944, 5313), (4002, 5236), (4301, 4872), (4466, 4692), (4488, 4669)]