20997632

素因数分解:

$2^9\times {\mathrm{41011}}^1$

素因数の和:41029

約数の個数: 20

約数和(自身を含む): 41955276

約数和(自身を除く): 20957644

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41011, 82022, 164044, 328088, 656176, 1312352, 2624704, 5249408, 10498816, 20997632]

約数ペア:

[(1, 20997632), (2, 10498816), (4, 5249408), (8, 2624704), (16, 1312352), (32, 656176), (64, 328088), (128, 164044), (256, 82022), (512, 41011)]