20685448

素因数分解:

$2^3\times 7^2\times {\mathrm{52769}}^1$

素因数の和:52789

約数の個数: 24

約数和(自身を含む): 45118350

約数和(自身を除く): 24432902

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52769, 105538, 211076, 369383, 422152, 738766, 1477532, 2585681, 2955064, 5171362, 10342724, 20685448]

約数ペア:

[(1, 20685448), (2, 10342724), (4, 5171362), (7, 2955064), (8, 2585681), (14, 1477532), (28, 738766), (49, 422152), (56, 369383), (98, 211076), (196, 105538), (392, 52769)]