20440064

素因数分解:

$2^{10}\times {\mathrm{19961}}^1$

素因数の和:19981

約数の個数: 22

約数和(自身を含む): 40862214

約数和(自身を除く): 20422150

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19961, 39922, 79844, 159688, 319376, 638752, 1277504, 2555008, 5110016, 10220032, 20440064]

約数ペア:

[(1, 20440064), (2, 10220032), (4, 5110016), (8, 2555008), (16, 1277504), (32, 638752), (64, 319376), (128, 159688), (256, 79844), (512, 39922), (1024, 19961)]