20956016

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10313}}^1$

素因数の和:10448

約数の個数: 20

約数和(自身を含む): 40925952

約数和(自身を除く): 19969936

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10313, 20626, 41252, 82504, 165008, 1309751, 2619502, 5239004, 10478008, 20956016]

約数ペア:

[(1, 20956016), (2, 10478008), (4, 5239004), (8, 2619502), (16, 1309751), (127, 165008), (254, 82504), (508, 41252), (1016, 20626), (2032, 10313)]