20453853

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22651}}^1$

素因数の和:22704

約数の個数: 16

約数和(自身を含む): 31894016

約数和(自身を除く): 11440163

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22651, 67953, 158557, 475671, 973993, 2921979, 6817951, 20453853]

約数ペア:

[(1, 20453853), (3, 6817951), (7, 2921979), (21, 973993), (43, 475671), (129, 158557), (301, 67953), (903, 22651)]