20897024

素因数分解:

$2^8\times {\mathrm{81629}}^1$

素因数の和:81645

約数の個数: 18

約数和(自身を含む): 41712930

約数和(自身を除く): 20815906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 81629, 163258, 326516, 653032, 1306064, 2612128, 5224256, 10448512, 20897024]

約数ペア:

[(1, 20897024), (2, 10448512), (4, 5224256), (8, 2612128), (16, 1306064), (32, 653032), (64, 326516), (128, 163258), (256, 81629)]