20986368

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1085

約数の個数: 80

約数和(自身を含む): 60266976

約数和(自身を除く): 39280608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1051, 1248, 1536, 1664, 2102, 2496, 3153, 3328, 4204, 4992, 6306, 6656, 8408, 9984, 12612, 13663, 16816, 19968, 25224, 27326, 33632, 40989, 50448, 54652, 67264, 81978, 100896, 109304, 134528, 163956, 201792, 218608, 269056, 327912, 403584, 437216, 538112, 655824, 807168, 874432, 1311648, 1614336, 1748864, 2623296, 3497728, 5246592, 6995456, 10493184, 20986368]

約数ペア:

[(1, 20986368), (2, 10493184), (3, 6995456), (4, 5246592), (6, 3497728), (8, 2623296), (12, 1748864), (13, 1614336), (16, 1311648), (24, 874432), (26, 807168), (32, 655824), (39, 538112), (48, 437216), (52, 403584), (64, 327912), (78, 269056), (96, 218608), (104, 201792), (128, 163956), (156, 134528), (192, 109304), (208, 100896), (256, 81978), (312, 67264), (384, 54652), (416, 50448), (512, 40989), (624, 33632), (768, 27326), (832, 25224), (1051, 19968), (1248, 16816), (1536, 13663), (1664, 12612), (2102, 9984), (2496, 8408), (3153, 6656), (3328, 6306), (4204, 4992)]