20268017

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 26572032

約数和(自身を除く): 6304015

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1213, 1519, 2387, 8491, 13343, 16709, 37603, 59437, 93401, 263221, 413633, 653807, 1842547, 2895431, 20268017]

約数ペア:

[(1, 20268017), (7, 2895431), (11, 1842547), (31, 653807), (49, 413633), (77, 263221), (217, 93401), (341, 59437), (539, 37603), (1213, 16709), (1519, 13343), (2387, 8491)]