20419364

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25147}}^1$

素因数の和:25187

約数の個数: 24

約数和(自身を含む): 42248640

約数和(自身を除く): 21829276

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25147, 50294, 100588, 176029, 352058, 704116, 729263, 1458526, 2917052, 5104841, 10209682, 20419364]

約数ペア:

[(1, 20419364), (2, 10209682), (4, 5104841), (7, 2917052), (14, 1458526), (28, 729263), (29, 704116), (58, 352058), (116, 176029), (203, 100588), (406, 50294), (812, 25147)]