20739492062

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{299903}}^1$

素因数の和:300463

約数の個数: 16

約数和(自身を含む): 31612280832

約数和(自身を除く): 10872788770

約数列:

[1, 2, 71, 142, 487, 974, 34577, 69154, 299903, 599806, 21293113, 42586226, 146052761, 292105522, 10369746031, 20739492062]

約数ペア:

[(1, 20739492062), (2, 10369746031), (71, 292105522), (142, 146052761), (487, 42586226), (974, 21293113), (34577, 599806), (69154, 299903)]