20498072

素因数分解:

$2^3\times 7^2\times {\mathrm{52291}}^1$

素因数の和:52311

約数の個数: 24

約数和(自身を含む): 44709660

約数和(自身を除く): 24211588

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52291, 104582, 209164, 366037, 418328, 732074, 1464148, 2562259, 2928296, 5124518, 10249036, 20498072]

約数ペア:

[(1, 20498072), (2, 10249036), (4, 5124518), (7, 2928296), (8, 2562259), (14, 1464148), (28, 732074), (49, 418328), (56, 366037), (98, 209164), (196, 104582), (392, 52291)]