20215233

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 30649320

約数和(自身を除く): 10434087

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 1061, 2117, 3183, 6351, 9549, 19053, 30769, 77453, 92307, 232359, 276921, 697077, 2246137, 6738411, 20215233]

約数ペア:

[(1, 20215233), (3, 6738411), (9, 2246137), (29, 697077), (73, 276921), (87, 232359), (219, 92307), (261, 77453), (657, 30769), (1061, 19053), (2117, 9549), (3183, 6351)]