20044060

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1549}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 22140740

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 1549, 2588, 3098, 3235, 6196, 6470, 7745, 12940, 15490, 30980, 1002203, 2004406, 4008812, 5011015, 10022030, 20044060]

約数ペア:

[(1, 20044060), (2, 10022030), (4, 5011015), (5, 4008812), (10, 2004406), (20, 1002203), (647, 30980), (1294, 15490), (1549, 12940), (2588, 7745), (3098, 6470), (3235, 6196)]