20202980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144307}}^1$

素因数の和:144323

約数の個数: 24

約数和(自身を含む): 48487488

約数和(自身を除く): 28284508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144307, 288614, 577228, 721535, 1010149, 1443070, 2020298, 2886140, 4040596, 5050745, 10101490, 20202980]

約数ペア:

[(1, 20202980), (2, 10101490), (4, 5050745), (5, 4040596), (7, 2886140), (10, 2020298), (14, 1443070), (20, 1010149), (28, 721535), (35, 577228), (70, 288614), (140, 144307)]