20913145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22367}}^1$

素因数の和:22400

約数の個数: 16

約数和(自身を含む): 28988928

約数和(自身を除く): 8075783

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22367, 111835, 246037, 380239, 1230185, 1901195, 4182629, 20913145]

約数ペア:

[(1, 20913145), (5, 4182629), (11, 1901195), (17, 1230185), (55, 380239), (85, 246037), (187, 111835), (935, 22367)]