20570704

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 50711040

約数和(自身を除く): 30140336

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 59, 77, 88, 112, 118, 154, 176, 236, 283, 308, 413, 472, 566, 616, 649, 826, 944, 1132, 1232, 1298, 1652, 1981, 2264, 2596, 3113, 3304, 3962, 4528, 4543, 5192, 6226, 6608, 7924, 9086, 10384, 12452, 15848, 16697, 18172, 21791, 24904, 31696, 33394, 36344, 43582, 49808, 66788, 72688, 87164, 116879, 133576, 174328, 183667, 233758, 267152, 348656, 367334, 467516, 734668, 935032, 1285669, 1469336, 1870064, 2571338, 2938672, 5142676, 10285352, 20570704]

約数ペア:

[(1, 20570704), (2, 10285352), (4, 5142676), (7, 2938672), (8, 2571338), (11, 1870064), (14, 1469336), (16, 1285669), (22, 935032), (28, 734668), (44, 467516), (56, 367334), (59, 348656), (77, 267152), (88, 233758), (112, 183667), (118, 174328), (154, 133576), (176, 116879), (236, 87164), (283, 72688), (308, 66788), (413, 49808), (472, 43582), (566, 36344), (616, 33394), (649, 31696), (826, 24904), (944, 21791), (1132, 18172), (1232, 16697), (1298, 15848), (1652, 12452), (1981, 10384), (2264, 9086), (2596, 7924), (3113, 6608), (3304, 6226), (3962, 5192), (4528, 4543)]