20573245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53437}}^1$

素因数の和:53460

約数の個数: 16

約数和(自身を含む): 30780288

約数和(自身を除く): 10207043

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53437, 267185, 374059, 587807, 1870295, 2939035, 4114649, 20573245]

約数ペア:

[(1, 20573245), (5, 4114649), (7, 2939035), (11, 1870295), (35, 587807), (55, 374059), (77, 267185), (385, 53437)]