20528893

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5441}}^1$

素因数の和:5473

約数の個数: 16

約数和(自身を含む): 26121600

約数和(自身を除く): 5592707

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5441, 38087, 59851, 266609, 418957, 1866263, 2932699, 20528893]

約数ペア:

[(1, 20528893), (7, 2932699), (11, 1866263), (49, 418957), (77, 266609), (343, 59851), (539, 38087), (3773, 5441)]