20201199

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 29699712

約数和(自身を除く): 9498513

約数列:

[1, 3, 19, 23, 57, 69, 361, 437, 811, 1083, 1311, 2433, 8303, 15409, 18653, 24909, 46227, 55959, 292771, 354407, 878313, 1063221, 6733733, 20201199]

約数ペア:

[(1, 20201199), (3, 6733733), (19, 1063221), (23, 878313), (57, 354407), (69, 292771), (361, 55959), (437, 46227), (811, 24909), (1083, 18653), (1311, 15409), (2433, 8303)]