20468224

素因数分解:

$2^9\times 7^1\times {\mathrm{5711}}^1$

素因数の和:5736

約数の個数: 40

約数和(自身を含む): 46747008

約数和(自身を除く): 26278784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5711, 11422, 22844, 39977, 45688, 79954, 91376, 159908, 182752, 319816, 365504, 639632, 731008, 1279264, 1462016, 2558528, 2924032, 5117056, 10234112, 20468224]

約数ペア:

[(1, 20468224), (2, 10234112), (4, 5117056), (7, 2924032), (8, 2558528), (14, 1462016), (16, 1279264), (28, 731008), (32, 639632), (56, 365504), (64, 319816), (112, 182752), (128, 159908), (224, 91376), (256, 79954), (448, 45688), (512, 39977), (896, 22844), (1792, 11422), (3584, 5711)]