20357533

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 3972707

約数列:

[1, 7, 43, 47, 301, 329, 1439, 2021, 10073, 14147, 61877, 67633, 433139, 473431, 2908219, 20357533]

約数ペア:

[(1, 20357533), (7, 2908219), (43, 473431), (47, 433139), (301, 67633), (329, 61877), (1439, 14147), (2021, 10073)]