20564128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49433}}^1$

素因数の和:49456

約数の個数: 24

約数和(自身を含む): 43600788

約数和(自身を除く): 23036660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49433, 98866, 197732, 395464, 642629, 790928, 1285258, 1581856, 2570516, 5141032, 10282064, 20564128]

約数ペア:

[(1, 20564128), (2, 10282064), (4, 5141032), (8, 2570516), (13, 1581856), (16, 1285258), (26, 790928), (32, 642629), (52, 395464), (104, 197732), (208, 98866), (416, 49433)]