20804936828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{528527}}^1$

素因数の和:529301

約数の個数: 24

約数和(自身を含む): 39261173952

約数和(自身を除く): 18456237124

約数列:

[1, 2, 4, 13, 26, 52, 757, 1514, 3028, 9841, 19682, 39364, 528527, 1057054, 2114108, 6870851, 13741702, 27483404, 400094939, 800189878, 1600379756, 5201234207, 10402468414, 20804936828]

約数ペア:

[(1, 20804936828), (2, 10402468414), (4, 5201234207), (13, 1600379756), (26, 800189878), (52, 400094939), (757, 27483404), (1514, 13741702), (3028, 6870851), (9841, 2114108), (19682, 1057054), (39364, 528527)]