20043760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22777}}^1$

素因数の和:22801

約数の個数: 40

約数和(自身を含む): 50840496

約数和(自身を除く): 30796736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22777, 45554, 91108, 113885, 182216, 227770, 250547, 364432, 455540, 501094, 911080, 1002188, 1252735, 1822160, 2004376, 2505470, 4008752, 5010940, 10021880, 20043760]

約数ペア:

[(1, 20043760), (2, 10021880), (4, 5010940), (5, 4008752), (8, 2505470), (10, 2004376), (11, 1822160), (16, 1252735), (20, 1002188), (22, 911080), (40, 501094), (44, 455540), (55, 364432), (80, 250547), (88, 227770), (110, 182216), (176, 113885), (220, 91108), (440, 45554), (880, 22777)]