20137656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 66562560

約数和(自身を除く): 46424904

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 616, 641, 714, 748, 924, 952, 1122, 1282, 1309, 1428, 1496, 1848, 1923, 2244, 2564, 2618, 2856, 3846, 3927, 4487, 4488, 5128, 5236, 7051, 7692, 7854, 8974, 10472, 10897, 13461, 14102, 15384, 15708, 17948, 21153, 21794, 26922, 28204, 31416, 32691, 35896, 42306, 43588, 49357, 53844, 56408, 65382, 76279, 84612, 87176, 98714, 107688, 119867, 130764, 148071, 152558, 169224, 197428, 228837, 239734, 261528, 296142, 305116, 359601, 394856, 457674, 479468, 592284, 610232, 719202, 839069, 915348, 958936, 1184568, 1438404, 1678138, 1830696, 2517207, 2876808, 3356276, 5034414, 6712552, 10068828, 20137656]

約数ペア:

[(1, 20137656), (2, 10068828), (3, 6712552), (4, 5034414), (6, 3356276), (7, 2876808), (8, 2517207), (11, 1830696), (12, 1678138), (14, 1438404), (17, 1184568), (21, 958936), (22, 915348), (24, 839069), (28, 719202), (33, 610232), (34, 592284), (42, 479468), (44, 457674), (51, 394856), (56, 359601), (66, 305116), (68, 296142), (77, 261528), (84, 239734), (88, 228837), (102, 197428), (119, 169224), (132, 152558), (136, 148071), (154, 130764), (168, 119867), (187, 107688), (204, 98714), (231, 87176), (238, 84612), (264, 76279), (308, 65382), (357, 56408), (374, 53844), (408, 49357), (462, 43588), (476, 42306), (561, 35896), (616, 32691), (641, 31416), (714, 28204), (748, 26922), (924, 21794), (952, 21153), (1122, 17948), (1282, 15708), (1309, 15384), (1428, 14102), (1496, 13461), (1848, 10897), (1923, 10472), (2244, 8974), (2564, 7854), (2618, 7692), (2856, 7051), (3846, 5236), (3927, 5128), (4487, 4488)]