20257876

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14029}}^1$

素因数の和:14071

約数の個数: 18

約数和(自身を含む): 37418010

約数和(自身を除く): 17160134

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14029, 28058, 56116, 266551, 533102, 1066204, 5064469, 10128938, 20257876]

約数ペア:

[(1, 20257876), (2, 10128938), (4, 5064469), (19, 1066204), (38, 533102), (76, 266551), (361, 56116), (722, 28058), (1444, 14029)]