2019090620

素因数分解:

$2^2\times 5^1\times {\mathrm{100954531}}^1$

素因数の和:100954540

約数の個数: 12

約数和(自身を含む): 4240090344

約数和(自身を除く): 2220999724

約数列:

[1, 2, 4, 5, 10, 20, 100954531, 201909062, 403818124, 504772655, 1009545310, 2019090620]

約数ペア:

[(1, 2019090620), (2, 1009545310), (4, 504772655), (5, 403818124), (10, 201909062), (20, 100954531)]