20698551

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{33331}}^1$

素因数の和:33363

約数の個数: 16

約数和(自身を含む): 31998720

約数和(自身を除く): 11300169

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 33331, 99993, 299979, 766613, 899937, 2299839, 6899517, 20698551]

約数ペア:

[(1, 20698551), (3, 6899517), (9, 2299839), (23, 899937), (27, 766613), (69, 299979), (207, 99993), (621, 33331)]