20508939

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9007}}^1$

素因数の和:9047

約数の個数: 24

約数和(自身を含む): 33725952

約数和(自身を除く): 13217013

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9007, 27021, 81063, 99077, 207161, 297231, 621483, 891693, 1864449, 2278771, 6836313, 20508939]

約数ペア:

[(1, 20508939), (3, 6836313), (9, 2278771), (11, 1864449), (23, 891693), (33, 621483), (69, 297231), (99, 207161), (207, 99077), (253, 81063), (759, 27021), (2277, 9007)]