20196146859

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{238463}}^1$

素因数の和:238619

約数の個数: 32

約数和(自身を含む): 31896944640

約数和(自身を除く): 11700797781

約数列:

[1, 3, 7, 21, 37, 109, 111, 259, 327, 763, 777, 2289, 4033, 12099, 28231, 84693, 238463, 715389, 1669241, 5007723, 8823131, 25992467, 26469393, 61761917, 77977401, 181947269, 185285751, 545841807, 961721279, 2885163837, 6732048953, 20196146859]

約数ペア:

[(1, 20196146859), (3, 6732048953), (7, 2885163837), (21, 961721279), (37, 545841807), (109, 185285751), (111, 181947269), (259, 77977401), (327, 61761917), (763, 26469393), (777, 25992467), (2289, 8823131), (4033, 5007723), (12099, 1669241), (28231, 715389), (84693, 238463)]