20881272

素因数分解:

$2^3\times 3^1\times {\mathrm{743}}^1\times {\mathrm{1171}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 52318080

約数和(自身を除く): 31436808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 743, 1171, 1486, 2229, 2342, 2972, 3513, 4458, 4684, 5944, 7026, 8916, 9368, 14052, 17832, 28104, 870053, 1740106, 2610159, 3480212, 5220318, 6960424, 10440636, 20881272]

約数ペア:

[(1, 20881272), (2, 10440636), (3, 6960424), (4, 5220318), (6, 3480212), (8, 2610159), (12, 1740106), (24, 870053), (743, 28104), (1171, 17832), (1486, 14052), (2229, 9368), (2342, 8916), (2972, 7026), (3513, 5944), (4458, 4684)]