20698208

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7793}}^1$

素因数の和:7886

約数の個数: 24

約数和(自身を含む): 41245848

約数和(自身を除く): 20547640

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7793, 15586, 31172, 62344, 124688, 249376, 646819, 1293638, 2587276, 5174552, 10349104, 20698208]

約数ペア:

[(1, 20698208), (2, 10349104), (4, 5174552), (8, 2587276), (16, 1293638), (32, 646819), (83, 249376), (166, 124688), (332, 62344), (664, 31172), (1328, 15586), (2656, 7793)]