20623564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1993}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 39082400

約数和(自身を除く): 18458836

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 1993, 2587, 3986, 5174, 7972, 10348, 25909, 51818, 103636, 396607, 793214, 1586428, 5155891, 10311782, 20623564]

約数ペア:

[(1, 20623564), (2, 10311782), (4, 5155891), (13, 1586428), (26, 793214), (52, 396607), (199, 103636), (398, 51818), (796, 25909), (1993, 10348), (2587, 7972), (3986, 5174)]