20669935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28909}}^1$

素因数の和:28938

約数の個数: 16

約数和(自身を含む): 29141280

約数和(自身を除く): 8471345

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28909, 144545, 317999, 375817, 1589995, 1879085, 4133987, 20669935]

約数ペア:

[(1, 20669935), (5, 4133987), (11, 1879085), (13, 1589995), (55, 375817), (65, 317999), (143, 144545), (715, 28909)]