20926485

素因数分解:

$3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 37392000

約数和(自身を除く): 16465515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 379, 409, 1137, 1227, 1895, 2045, 3411, 3681, 5685, 6135, 10233, 11043, 17055, 18405, 51165, 55215, 155011, 465033, 775055, 1395099, 2325165, 4185297, 6975495, 20926485]

約数ペア:

[(1, 20926485), (3, 6975495), (5, 4185297), (9, 2325165), (15, 1395099), (27, 775055), (45, 465033), (135, 155011), (379, 55215), (409, 51165), (1137, 18405), (1227, 17055), (1895, 11043), (2045, 10233), (3411, 6135), (3681, 5685)]