20606607

素因数分解:

$3^2\times 7^2\times {\mathrm{46727}}^1$

素因数の和:46747

約数の個数: 18

約数和(自身を含む): 34625448

約数和(自身を除く): 14018841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46727, 140181, 327089, 420543, 981267, 2289623, 2943801, 6868869, 20606607]

約数ペア:

[(1, 20606607), (3, 6868869), (7, 2943801), (9, 2289623), (21, 981267), (49, 420543), (63, 327089), (147, 140181), (441, 46727)]