20219883005

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19921067}}^1$

素因数の和:19921108

約数の個数: 16

約数和(自身を含む): 28686337920

約数和(自身を除く): 8466454915

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19921067, 99605335, 139447469, 577710943, 697237345, 2888554715, 4043976601, 20219883005]

約数ペア:

[(1, 20219883005), (5, 4043976601), (7, 2888554715), (29, 697237345), (35, 577710943), (145, 139447469), (203, 99605335), (1015, 19921067)]