20154841

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 3484199

約数列:

[1, 7, 71, 107, 379, 497, 749, 2653, 7597, 26909, 40553, 53179, 188363, 283871, 2879263, 20154841]

約数ペア:

[(1, 20154841), (7, 2879263), (71, 283871), (107, 188363), (379, 53179), (497, 40553), (749, 26909), (2653, 7597)]