20432657

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 26511840

約数和(自身を除く): 6079183

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 1291, 2261, 9037, 15827, 21947, 24529, 63259, 153629, 171703, 416993, 1075403, 1201921, 2918951, 20432657]

約数ペア:

[(1, 20432657), (7, 2918951), (17, 1201921), (19, 1075403), (49, 416993), (119, 171703), (133, 153629), (323, 63259), (833, 24529), (931, 21947), (1291, 15827), (2261, 9037)]