20147556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 36300444

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 59, 66, 78, 118, 132, 143, 156, 177, 199, 236, 286, 354, 398, 429, 572, 597, 649, 708, 767, 796, 858, 1194, 1298, 1534, 1716, 1947, 2189, 2301, 2388, 2587, 2596, 3068, 3894, 4378, 4602, 5174, 6567, 7761, 7788, 8437, 8756, 9204, 10348, 11741, 13134, 15522, 16874, 23482, 25311, 26268, 28457, 31044, 33748, 35223, 46964, 50622, 56914, 70446, 85371, 101244, 113828, 129151, 140892, 152633, 170742, 258302, 305266, 341484, 387453, 457899, 516604, 610532, 774906, 915798, 1549812, 1678963, 1831596, 3357926, 5036889, 6715852, 10073778, 20147556]

約数ペア:

[(1, 20147556), (2, 10073778), (3, 6715852), (4, 5036889), (6, 3357926), (11, 1831596), (12, 1678963), (13, 1549812), (22, 915798), (26, 774906), (33, 610532), (39, 516604), (44, 457899), (52, 387453), (59, 341484), (66, 305266), (78, 258302), (118, 170742), (132, 152633), (143, 140892), (156, 129151), (177, 113828), (199, 101244), (236, 85371), (286, 70446), (354, 56914), (398, 50622), (429, 46964), (572, 35223), (597, 33748), (649, 31044), (708, 28457), (767, 26268), (796, 25311), (858, 23482), (1194, 16874), (1298, 15522), (1534, 13134), (1716, 11741), (1947, 10348), (2189, 9204), (2301, 8756), (2388, 8437), (2587, 7788), (2596, 7761), (3068, 6567), (3894, 5174), (4378, 4602)]