20765297

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1277}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 25028352

約数和(自身を除く): 4263055

約数列:

[1, 7, 23, 101, 161, 707, 1277, 2323, 8939, 16261, 29371, 128977, 205597, 902839, 2966471, 20765297]

約数ペア:

[(1, 20765297), (7, 2966471), (23, 902839), (101, 205597), (161, 128977), (707, 29371), (1277, 16261), (2323, 8939)]