20160918985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{646909}}^1$

素因数の和:647208

約数の個数: 16

約数和(自身を含む): 25338170880

約数和(自身を除く): 5177251895

約数列:

[1, 5, 23, 115, 271, 1355, 6233, 31165, 646909, 3234545, 14878907, 74394535, 175312339, 876561695, 4032183797, 20160918985]

約数ペア:

[(1, 20160918985), (5, 4032183797), (23, 876561695), (115, 175312339), (271, 74394535), (1355, 14878907), (6233, 3234545), (31165, 646909)]