20165994416

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{1185677}}^1$

素因数の和:1186748

約数の個数: 20

約数和(自身を含む): 39108403152

約数和(自身を除く): 18942408736

約数列:

[1, 2, 4, 8, 16, 1063, 2126, 4252, 8504, 17008, 1185677, 2371354, 4742708, 9485416, 18970832, 1260374651, 2520749302, 5041498604, 10082997208, 20165994416]

約数ペア:

[(1, 20165994416), (2, 10082997208), (4, 5041498604), (8, 2520749302), (16, 1260374651), (1063, 18970832), (2126, 9485416), (4252, 4742708), (8504, 2371354), (17008, 1185677)]