20974580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95339}}^1$

素因数の和:95359

約数の個数: 24

約数和(自身を含む): 48051360

約数和(自身を除く): 27076780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95339, 190678, 381356, 476695, 953390, 1048729, 1906780, 2097458, 4194916, 5243645, 10487290, 20974580]

約数ペア:

[(1, 20974580), (2, 10487290), (4, 5243645), (5, 4194916), (10, 2097458), (11, 1906780), (20, 1048729), (22, 953390), (44, 476695), (55, 381356), (110, 190678), (220, 95339)]