20563235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53411}}^1$

素因数の和:53434

約数の個数: 16

約数和(自身を含む): 30765312

約数和(自身を除く): 10202077

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53411, 267055, 373877, 587521, 1869385, 2937605, 4112647, 20563235]

約数ペア:

[(1, 20563235), (5, 4112647), (7, 2937605), (11, 1869385), (35, 587521), (55, 373877), (77, 267055), (385, 53411)]