20198196

素因数分解:

$2^2\times 3^2\times {\mathrm{561061}}^1$

素因数の和:561071

約数の個数: 18

約数和(自身を含む): 51056642

約数和(自身を除く): 30858446

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561061, 1122122, 1683183, 2244244, 3366366, 5049549, 6732732, 10099098, 20198196]

約数ペア:

[(1, 20198196), (2, 10099098), (3, 6732732), (4, 5049549), (6, 3366366), (9, 2244244), (12, 1683183), (18, 1122122), (36, 561061)]