20517394

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:969

約数の個数: 16

約数和(自身を含む): 31344768

約数和(自身を除く): 10827374

約数列:

[1, 2, 103, 137, 206, 274, 727, 1454, 14111, 28222, 74881, 99599, 149762, 199198, 10258697, 20517394]

約数ペア:

[(1, 20517394), (2, 10258697), (103, 199198), (137, 149762), (206, 99599), (274, 74881), (727, 28222), (1454, 14111)]