20654095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4877}}^1$

素因数の和:4911

約数の個数: 24

約数和(自身を含む): 31141152

約数和(自身を除く): 10487057

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4877, 24385, 34139, 53647, 170695, 268235, 375529, 590117, 1877645, 2950585, 4130819, 20654095]

約数ペア:

[(1, 20654095), (5, 4130819), (7, 2950585), (11, 1877645), (35, 590117), (55, 375529), (77, 268235), (121, 170695), (385, 53647), (605, 34139), (847, 24385), (4235, 4877)]