20806613181

素因数分解:

$3^3\times {\mathrm{59659}}^1\times {\mathrm{12917}}^1$

素因数の和:72585

約数の個数: 16

約数和(自身を含む): 30827515200

約数和(自身を除く): 10020902019

約数列:

[1, 3, 9, 27, 12917, 38751, 59659, 116253, 178977, 348759, 536931, 1610793, 770615303, 2311845909, 6935537727, 20806613181]

約数ペア:

[(1, 20806613181), (3, 6935537727), (9, 2311845909), (27, 770615303), (12917, 1610793), (38751, 536931), (59659, 348759), (116253, 178977)]