20946352

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6449}}^1$

素因数の和:6493

約数の個数: 40

約数和(自身を含む): 47988000

約数和(自身を除く): 27041648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6449, 12898, 25796, 45143, 51592, 90286, 103184, 180572, 187021, 361144, 374042, 722288, 748084, 1309147, 1496168, 2618294, 2992336, 5236588, 10473176, 20946352]

約数ペア:

[(1, 20946352), (2, 10473176), (4, 5236588), (7, 2992336), (8, 2618294), (14, 1496168), (16, 1309147), (28, 748084), (29, 722288), (56, 374042), (58, 361144), (112, 187021), (116, 180572), (203, 103184), (232, 90286), (406, 51592), (464, 45143), (812, 25796), (1624, 12898), (3248, 6449)]