20624884

素因数分解:

$2^2\times 7^2\times {\mathrm{105229}}^1$

素因数の和:105247

約数の個数: 18

約数和(自身を含む): 41986770

約数和(自身を除く): 21361886

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 105229, 210458, 420916, 736603, 1473206, 2946412, 5156221, 10312442, 20624884]

約数ペア:

[(1, 20624884), (2, 10312442), (4, 5156221), (7, 2946412), (14, 1473206), (28, 736603), (49, 420916), (98, 210458), (196, 105229)]