20858090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189619}}^1$

素因数の和:189637

約数の個数: 16

約数和(自身を含む): 40957920

約数和(自身を除く): 20099830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189619, 379238, 948095, 1896190, 2085809, 4171618, 10429045, 20858090]

約数ペア:

[(1, 20858090), (2, 10429045), (5, 4171618), (10, 2085809), (11, 1896190), (22, 948095), (55, 379238), (110, 189619)]