20778670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1733}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 20421170

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 1733, 2398, 3466, 5995, 8665, 11990, 17330, 19063, 38126, 95315, 188897, 190630, 377794, 944485, 1888970, 2077867, 4155734, 10389335, 20778670]

約数ペア:

[(1, 20778670), (2, 10389335), (5, 4155734), (10, 2077867), (11, 1888970), (22, 944485), (55, 377794), (109, 190630), (110, 188897), (218, 95315), (545, 38126), (1090, 19063), (1199, 17330), (1733, 11990), (2398, 8665), (3466, 5995)]