20356630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6763}}^1$

素因数の和:6820

約数の個数: 32

約数和(自身を含む): 42856704

約数和(自身を除く): 22500074

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6763, 13526, 33815, 47341, 67630, 94682, 236705, 290809, 473410, 581618, 1454045, 2035663, 2908090, 4071326, 10178315, 20356630]

約数ペア:

[(1, 20356630), (2, 10178315), (5, 4071326), (7, 2908090), (10, 2035663), (14, 1454045), (35, 581618), (43, 473410), (70, 290809), (86, 236705), (215, 94682), (301, 67630), (430, 47341), (602, 33815), (1505, 13526), (3010, 6763)]