20458228

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2843}}^1$

素因数の和:3111

約数の個数: 24

約数和(自身を含む): 41090112

約数和(自身を除く): 20631884

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2843, 3598, 5686, 7196, 11372, 19901, 39802, 79604, 730651, 1461302, 2922604, 5114557, 10229114, 20458228]

約数ペア:

[(1, 20458228), (2, 10229114), (4, 5114557), (7, 2922604), (14, 1461302), (28, 730651), (257, 79604), (514, 39802), (1028, 19901), (1799, 11372), (2843, 7196), (3598, 5686)]