20319603

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1627}}^1$

素因数の和:1834

約数の個数: 16

約数和(自身を含む): 28444416

約数和(自身を除く): 8124813

約数列:

[1, 3, 23, 69, 181, 543, 1627, 4163, 4881, 12489, 37421, 112263, 294487, 883461, 6773201, 20319603]

約数ペア:

[(1, 20319603), (3, 6773201), (23, 883461), (69, 294487), (181, 112263), (543, 37421), (1627, 12489), (4163, 4881)]