20004635

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19709}}^1$

素因数の和:19750

約数の個数: 16

約数和(自身を含む): 28382400

約数和(自身を除く): 8377765

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19709, 98545, 137963, 571561, 689815, 2857805, 4000927, 20004635]

約数ペア:

[(1, 20004635), (5, 4000927), (7, 2857805), (29, 689815), (35, 571561), (145, 137963), (203, 98545), (1015, 19709)]