20812532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12911}}^1$

素因数の和:12959

約数の個数: 24

約数和(自身を含む): 40492032

約数和(自身を除く): 19679500

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12911, 25822, 51644, 167843, 335686, 400241, 671372, 800482, 1600964, 5203133, 10406266, 20812532]

約数ペア:

[(1, 20812532), (2, 10406266), (4, 5203133), (13, 1600964), (26, 800482), (31, 671372), (52, 400241), (62, 335686), (124, 167843), (403, 51644), (806, 25822), (1612, 12911)]