20227473

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 34404864

約数和(自身を除く): 14177391

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 191, 287, 369, 573, 861, 1337, 1681, 1719, 2583, 4011, 5043, 7831, 11767, 12033, 15129, 23493, 35301, 54817, 70479, 105903, 164451, 321071, 493353, 963213, 2247497, 2889639, 6742491, 20227473]

約数ペア:

[(1, 20227473), (3, 6742491), (7, 2889639), (9, 2247497), (21, 963213), (41, 493353), (63, 321071), (123, 164451), (191, 105903), (287, 70479), (369, 54817), (573, 35301), (861, 23493), (1337, 15129), (1681, 12033), (1719, 11767), (2583, 7831), (4011, 5043)]