20752641

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25339}}^1$

素因数の和:25365

約数の個数: 24

約数和(自身を含む): 36895040

約数和(自身を除く): 16142399

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25339, 76017, 177373, 228051, 329407, 532119, 988221, 1596357, 2305849, 2964663, 6917547, 20752641]

約数ペア:

[(1, 20752641), (3, 6917547), (7, 2964663), (9, 2305849), (13, 1596357), (21, 988221), (39, 532119), (63, 329407), (91, 228051), (117, 177373), (273, 76017), (819, 25339)]