20816864

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13841}}^1$

素因数の和:13898

約数の個数: 24

約数和(自身を含む): 41858208

約数和(自身を除く): 21041344

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13841, 27682, 55364, 110728, 221456, 442912, 650527, 1301054, 2602108, 5204216, 10408432, 20816864]

約数ペア:

[(1, 20816864), (2, 10408432), (4, 5204216), (8, 2602108), (16, 1301054), (32, 650527), (47, 442912), (94, 221456), (188, 110728), (376, 55364), (752, 27682), (1504, 13841)]