20492857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7193}}^1$

素因数の和:7248

約数の個数: 16

約数和(自身を含む): 26243712

約数和(自身を除く): 5750855

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7193, 50351, 79123, 266141, 553861, 1862987, 2927551, 20492857]

約数ペア:

[(1, 20492857), (7, 2927551), (11, 1862987), (37, 553861), (77, 266141), (259, 79123), (407, 50351), (2849, 7193)]