20747753

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{4421}}^1$

素因数の和:4472

約数の個数: 12

約数和(自身を含む): 23586948

約数和(自身を除く): 2839195

約数列:

[1, 13, 19, 247, 361, 4421, 4693, 57473, 83999, 1091987, 1595981, 20747753]

約数ペア:

[(1, 20747753), (13, 1595981), (19, 1091987), (247, 83999), (361, 57473), (4421, 4693)]