20872033

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6199}}^1$

素因数の和:6256

約数の個数: 16

約数和(自身を含む): 26387200

約数和(自身を除く): 5515167

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6199, 43393, 80587, 229363, 564109, 1605541, 2981719, 20872033]

約数ペア:

[(1, 20872033), (7, 2981719), (13, 1605541), (37, 564109), (91, 229363), (259, 80587), (481, 43393), (3367, 6199)]