20983335

素因数分解:

$3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3691}}^1$

素因数の和:4078

約数の個数: 16

約数和(自身を含む): 33671040

約数和(自身を除く): 12687705

約数列:

[1, 3, 5, 15, 379, 1137, 1895, 3691, 5685, 11073, 18455, 55365, 1398889, 4196667, 6994445, 20983335]

約数ペア:

[(1, 20983335), (3, 6994445), (5, 4196667), (15, 1398889), (379, 55365), (1137, 18455), (1895, 11073), (3691, 5685)]