20204965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3251}}^1$

素因数の和:3380

約数の個数: 16

約数和(自身を含む): 26692416

約数和(自身を除く): 6487451

約数列:

[1, 5, 11, 55, 113, 565, 1243, 3251, 6215, 16255, 35761, 178805, 367363, 1836815, 4040993, 20204965]

約数ペア:

[(1, 20204965), (5, 4040993), (11, 1836815), (55, 367363), (113, 178805), (565, 35761), (1243, 16255), (3251, 6215)]