20560001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1949}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 25833600

約数和(自身を除く): 5273599

約数列:

[1, 7, 11, 77, 137, 959, 1507, 1949, 10549, 13643, 21439, 150073, 267013, 1869091, 2937143, 20560001]

約数ペア:

[(1, 20560001), (7, 2937143), (11, 1869091), (77, 267013), (137, 150073), (959, 21439), (1507, 13643), (1949, 10549)]