20354448

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 35356272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 103, 138, 179, 184, 206, 276, 309, 358, 368, 412, 537, 552, 618, 716, 824, 1074, 1104, 1236, 1432, 1648, 2148, 2369, 2472, 2864, 4117, 4296, 4738, 4944, 7107, 8234, 8592, 9476, 12351, 14214, 16468, 18437, 18952, 24702, 28428, 32936, 36874, 37904, 49404, 55311, 56856, 65872, 73748, 98808, 110622, 113712, 147496, 197616, 221244, 294992, 424051, 442488, 848102, 884976, 1272153, 1696204, 2544306, 3392408, 5088612, 6784816, 10177224, 20354448]

約数ペア:

[(1, 20354448), (2, 10177224), (3, 6784816), (4, 5088612), (6, 3392408), (8, 2544306), (12, 1696204), (16, 1272153), (23, 884976), (24, 848102), (46, 442488), (48, 424051), (69, 294992), (92, 221244), (103, 197616), (138, 147496), (179, 113712), (184, 110622), (206, 98808), (276, 73748), (309, 65872), (358, 56856), (368, 55311), (412, 49404), (537, 37904), (552, 36874), (618, 32936), (716, 28428), (824, 24702), (1074, 18952), (1104, 18437), (1236, 16468), (1432, 14214), (1648, 12351), (2148, 9476), (2369, 8592), (2472, 8234), (2864, 7107), (4117, 4944), (4296, 4738)]