20797819

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1410

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 4269701

約数列:

[1, 7, 23, 101, 161, 707, 1279, 2323, 8953, 16261, 29417, 129179, 205919, 904253, 2971117, 20797819]

約数ペア:

[(1, 20797819), (7, 2971117), (23, 904253), (101, 205919), (161, 129179), (707, 29417), (1279, 16261), (2323, 8953)]