20851788

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{3539}}^1$

素因数の和:4037

約数の個数: 24

約数和(自身を含む): 48767040

約数和(自身を除く): 27915252

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 3539, 5892, 7078, 10617, 14156, 21234, 42468, 1737649, 3475298, 5212947, 6950596, 10425894, 20851788]

約数ペア:

[(1, 20851788), (2, 10425894), (3, 6950596), (4, 5212947), (6, 3475298), (12, 1737649), (491, 42468), (982, 21234), (1473, 14156), (1964, 10617), (2946, 7078), (3539, 5892)]