20668266

素因数分解:

$2^1\times 3^2\times {\mathrm{617}}^1\times {\mathrm{1861}}^1$

素因数の和:2486

約数の個数: 24

約数和(自身を含む): 44877924

約数和(自身を除く): 24209658

約数列:

[1, 2, 3, 6, 9, 18, 617, 1234, 1851, 1861, 3702, 3722, 5553, 5583, 11106, 11166, 16749, 33498, 1148237, 2296474, 3444711, 6889422, 10334133, 20668266]

約数ペア:

[(1, 20668266), (2, 10334133), (3, 6889422), (6, 3444711), (9, 2296474), (18, 1148237), (617, 33498), (1234, 16749), (1851, 11166), (1861, 11106), (3702, 5583), (3722, 5553)]