20274124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12577}}^1$

素因数の和:12625

約数の個数: 24

約数和(自身を含む): 39444608

約数和(自身を除く): 19170484

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12577, 25154, 50308, 163501, 327002, 389887, 654004, 779774, 1559548, 5068531, 10137062, 20274124]

約数ペア:

[(1, 20274124), (2, 10137062), (4, 5068531), (13, 1559548), (26, 779774), (31, 654004), (52, 389887), (62, 327002), (124, 163501), (403, 50308), (806, 25154), (1612, 12577)]