20216255

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 24888864

約数和(自身を除く): 4672609

約数列:

[1, 5, 73, 97, 365, 485, 571, 2855, 7081, 35405, 41683, 55387, 208415, 276935, 4043251, 20216255]

約数ペア:

[(1, 20216255), (5, 4043251), (73, 276935), (97, 208415), (365, 55387), (485, 41683), (571, 35405), (2855, 7081)]