20199996008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{9203}}^1$

素因数の和:9462

約数の個数: 64

約数和(自身を含む): 40291430400

約数和(自身を除く): 20091434392

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 151, 158, 184, 302, 316, 604, 632, 1208, 1817, 3473, 3634, 6946, 7268, 9203, 11929, 13892, 14536, 18406, 23858, 27784, 36812, 47716, 73624, 95432, 211669, 274367, 423338, 548734, 727037, 846676, 1097468, 1389653, 1454074, 1693352, 2194936, 2779306, 2908148, 5558612, 5816296, 11117224, 16721851, 31962019, 33443702, 63924038, 66887404, 109782587, 127848076, 133774808, 219565174, 255696152, 439130348, 878260696, 2524999501, 5049999002, 10099998004, 20199996008]

約数ペア:

[(1, 20199996008), (2, 10099998004), (4, 5049999002), (8, 2524999501), (23, 878260696), (46, 439130348), (79, 255696152), (92, 219565174), (151, 133774808), (158, 127848076), (184, 109782587), (302, 66887404), (316, 63924038), (604, 33443702), (632, 31962019), (1208, 16721851), (1817, 11117224), (3473, 5816296), (3634, 5558612), (6946, 2908148), (7268, 2779306), (9203, 2194936), (11929, 1693352), (13892, 1454074), (14536, 1389653), (18406, 1097468), (23858, 846676), (27784, 727037), (36812, 548734), (47716, 423338), (73624, 274367), (95432, 211669)]