20683377

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 36346240

約数和(自身を除く): 15662863

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 121, 143, 297, 351, 363, 429, 487, 1089, 1287, 1461, 1573, 3267, 3861, 4383, 4719, 5357, 6331, 13149, 14157, 16071, 18993, 42471, 48213, 56979, 58927, 69641, 144639, 170937, 176781, 208923, 530343, 626769, 766051, 1591029, 1880307, 2298153, 6894459, 20683377]

約数ペア:

[(1, 20683377), (3, 6894459), (9, 2298153), (11, 1880307), (13, 1591029), (27, 766051), (33, 626769), (39, 530343), (99, 208923), (117, 176781), (121, 170937), (143, 144639), (297, 69641), (351, 58927), (363, 56979), (429, 48213), (487, 42471), (1089, 18993), (1287, 16071), (1461, 14157), (1573, 13149), (3267, 6331), (3861, 5357), (4383, 4719)]