20732859

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1723}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 34424832

約数和(自身を除く): 13691973

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 1723, 4011, 5169, 12033, 12061, 15507, 36183, 108549, 329093, 987279, 2303651, 2961837, 6910953, 20732859]

約数ペア:

[(1, 20732859), (3, 6910953), (7, 2961837), (9, 2303651), (21, 987279), (63, 329093), (191, 108549), (573, 36183), (1337, 15507), (1719, 12061), (1723, 12033), (4011, 5169)]