20445230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157271}}^1$

素因数の和:157291

約数の個数: 16

約数和(自身を含む): 39632544

約数和(自身を除く): 19187314

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157271, 314542, 786355, 1572710, 2044523, 4089046, 10222615, 20445230]

約数ペア:

[(1, 20445230), (2, 10222615), (5, 4089046), (10, 2044523), (13, 1572710), (26, 786355), (65, 314542), (130, 157271)]