20329196

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 36660624

約数和(自身を除く): 16331428

約数列:

[1, 2, 4, 43, 86, 172, 181, 362, 653, 724, 1306, 2612, 7783, 15566, 28079, 31132, 56158, 112316, 118193, 236386, 472772, 5082299, 10164598, 20329196]

約数ペア:

[(1, 20329196), (2, 10164598), (4, 5082299), (43, 472772), (86, 236386), (172, 118193), (181, 112316), (362, 56158), (653, 31132), (724, 28079), (1306, 15566), (2612, 7783)]