20993712

素因数分解:

$2^4\times 3^1\times {\mathrm{263}}^1\times {\mathrm{1663}}^1$

素因数の和:1937

約数の個数: 40

約数和(自身を含む): 54472704

約数和(自身を除く): 33478992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 263, 526, 789, 1052, 1578, 1663, 2104, 3156, 3326, 4208, 4989, 6312, 6652, 9978, 12624, 13304, 19956, 26608, 39912, 79824, 437369, 874738, 1312107, 1749476, 2624214, 3498952, 5248428, 6997904, 10496856, 20993712]

約数ペア:

[(1, 20993712), (2, 10496856), (3, 6997904), (4, 5248428), (6, 3498952), (8, 2624214), (12, 1749476), (16, 1312107), (24, 874738), (48, 437369), (263, 79824), (526, 39912), (789, 26608), (1052, 19956), (1578, 13304), (1663, 12624), (2104, 9978), (3156, 6652), (3326, 6312), (4208, 4989)]