20283620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144883}}^1$

素因数の和:144899

約数の個数: 24

約数和(自身を含む): 48681024

約数和(自身を除く): 28397404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144883, 289766, 579532, 724415, 1014181, 1448830, 2028362, 2897660, 4056724, 5070905, 10141810, 20283620]

約数ペア:

[(1, 20283620), (2, 10141810), (4, 5070905), (5, 4056724), (7, 2897660), (10, 2028362), (14, 1448830), (20, 1014181), (28, 724415), (35, 579532), (70, 289766), (140, 144883)]