20871053

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1381}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 25473024

約数和(自身を除く): 4601971

約数列:

[1, 7, 17, 119, 127, 889, 1381, 2159, 9667, 15113, 23477, 164339, 175387, 1227709, 2981579, 20871053]

約数ペア:

[(1, 20871053), (7, 2981579), (17, 1227709), (119, 175387), (127, 164339), (889, 23477), (1381, 15113), (2159, 9667)]