20517632

素因数分解:

$2^8\times {\mathrm{80147}}^1$

素因数の和:80163

約数の個数: 18

約数和(自身を含む): 40955628

約数和(自身を除く): 20437996

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 80147, 160294, 320588, 641176, 1282352, 2564704, 5129408, 10258816, 20517632]

約数ペア:

[(1, 20517632), (2, 10258816), (4, 5129408), (8, 2564704), (16, 1282352), (32, 641176), (64, 320588), (128, 160294), (256, 80147)]