20219255

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5399}}^1$

素因数の和:5518

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 7774345

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 5399, 26995, 37793, 188965, 577693, 2888465, 4043851, 20219255]

約数ペア:

[(1, 20219255), (5, 4043851), (7, 2888465), (35, 577693), (107, 188965), (535, 37793), (749, 26995), (3745, 5399)]