66147820

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{8867}}^1$

素因数の和:9249

約数の個数: 24

約数和(自身を含む): 139298544

約数和(自身を除く): 73150724

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 3730, 7460, 8867, 17734, 35468, 44335, 88670, 177340, 3307391, 6614782, 13229564, 16536955, 33073910, 66147820]

約数ペア:

[(1, 66147820), (2, 33073910), (4, 16536955), (5, 13229564), (10, 6614782), (20, 3307391), (373, 177340), (746, 88670), (1492, 44335), (1865, 35468), (3730, 17734), (7460, 8867)]