20217961813

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1364327}}^1$

素因数の和:1364436

約数の個数: 16

約数和(自身を含む): 24230465280

約数和(自身を除く): 4012503467

約数列:

[1, 7, 29, 73, 203, 511, 2117, 14819, 1364327, 9550289, 39565483, 99595871, 276958381, 697171097, 2888280259, 20217961813]

約数ペア:

[(1, 20217961813), (7, 2888280259), (29, 697171097), (73, 276958381), (203, 99595871), (511, 39565483), (2117, 9550289), (14819, 1364327)]