20263936

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 88

約数和(自身を含む): 50700096

約数和(自身を除く): 30436160

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 257, 308, 352, 448, 512, 514, 616, 704, 896, 1024, 1028, 1232, 1408, 1792, 1799, 2056, 2464, 2816, 2827, 3584, 3598, 4112, 4928, 5632, 5654, 7168, 7196, 8224, 9856, 11264, 11308, 14392, 16448, 19712, 19789, 22616, 28784, 32896, 39424, 39578, 45232, 57568, 65792, 78848, 79156, 90464, 115136, 131584, 158312, 180928, 230272, 263168, 316624, 361856, 460544, 633248, 723712, 921088, 1266496, 1447424, 1842176, 2532992, 2894848, 5065984, 10131968, 20263936]

約数ペア:

[(1, 20263936), (2, 10131968), (4, 5065984), (7, 2894848), (8, 2532992), (11, 1842176), (14, 1447424), (16, 1266496), (22, 921088), (28, 723712), (32, 633248), (44, 460544), (56, 361856), (64, 316624), (77, 263168), (88, 230272), (112, 180928), (128, 158312), (154, 131584), (176, 115136), (224, 90464), (256, 79156), (257, 78848), (308, 65792), (352, 57568), (448, 45232), (512, 39578), (514, 39424), (616, 32896), (704, 28784), (896, 22616), (1024, 19789), (1028, 19712), (1232, 16448), (1408, 14392), (1792, 11308), (1799, 11264), (2056, 9856), (2464, 8224), (2816, 7196), (2827, 7168), (3584, 5654), (3598, 5632), (4112, 4928)]