20199095

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10889}}^1$

素因数の和:10954

約数の個数: 16

約数和(自身を含む): 28226880

約数和(自身を除く): 8027785

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 10889, 54445, 76223, 381115, 577117, 2885585, 4039819, 20199095]

約数ペア:

[(1, 20199095), (5, 4039819), (7, 2885585), (35, 577117), (53, 381115), (265, 76223), (371, 54445), (1855, 10889)]