20900165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29231}}^1$

素因数の和:29260

約数の個数: 16

約数和(自身を含む): 29465856

約数和(自身を除く): 8565691

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29231, 146155, 321541, 380003, 1607705, 1900015, 4180033, 20900165]

約数ペア:

[(1, 20900165), (5, 4180033), (11, 1900015), (13, 1607705), (55, 380003), (65, 321541), (143, 146155), (715, 29231)]