20487181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6229}}^1$

素因数の和:6276

約数の個数: 16

約数和(自身を含む): 25119360

約数和(自身を除く): 4632179

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 6229, 68519, 80977, 143267, 890747, 1575937, 1862471, 20487181]

約数ペア:

[(1, 20487181), (11, 1862471), (13, 1575937), (23, 890747), (143, 143267), (253, 80977), (299, 68519), (3289, 6229)]