20748812

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3323}}^1$

素因数の和:3557

約数の個数: 24

約数和(自身を含む): 41696256

約数和(自身を除く): 20947444

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3323, 6244, 6646, 13292, 23261, 46522, 93044, 741029, 1482058, 2964116, 5187203, 10374406, 20748812]

約数ペア:

[(1, 20748812), (2, 10374406), (4, 5187203), (7, 2964116), (14, 1482058), (28, 741029), (223, 93044), (446, 46522), (892, 23261), (1561, 13292), (3122, 6646), (3323, 6244)]