20139033418

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{15991}}^1$

素因数の和:16259

約数の個数: 48

約数和(自身を含む): 35834617728

約数和(自身を除く): 15695584310

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 181, 362, 497, 994, 1267, 2534, 3479, 6958, 8869, 12851, 15991, 17738, 25702, 31982, 89957, 111937, 179914, 223874, 629699, 783559, 1135361, 1259398, 1567118, 2270722, 2894371, 5788742, 7947527, 15895054, 20260597, 40521194, 55632689, 111265378, 141824179, 205500341, 283648358, 411000682, 1438502387, 2877004774, 10069516709, 20139033418]

約数ペア:

[(1, 20139033418), (2, 10069516709), (7, 2877004774), (14, 1438502387), (49, 411000682), (71, 283648358), (98, 205500341), (142, 141824179), (181, 111265378), (362, 55632689), (497, 40521194), (994, 20260597), (1267, 15895054), (2534, 7947527), (3479, 5788742), (6958, 2894371), (8869, 2270722), (12851, 1567118), (15991, 1259398), (17738, 1135361), (25702, 783559), (31982, 629699), (89957, 223874), (111937, 179914)]