20926892

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18229}}^1$

素因数の和:18281

約数の個数: 24

約数和(自身を含む): 42876960

約数和(自身を除く): 21950068

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18229, 36458, 72916, 127603, 255206, 510412, 747389, 1494778, 2989556, 5231723, 10463446, 20926892]

約数ペア:

[(1, 20926892), (2, 10463446), (4, 5231723), (7, 2989556), (14, 1494778), (28, 747389), (41, 510412), (82, 255206), (164, 127603), (287, 72916), (574, 36458), (1148, 18229)]