20841648191

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1422541}}^1$

素因数の和:1422591

約数の個数: 24

約数和(自身を含む): 27244524384

約数和(自身を除く): 6402876193

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 14651, 1422541, 9957787, 18493033, 32718443, 69704509, 129451231, 229029101, 425339759, 906158617, 1603203707, 2977378313, 20841648191]

約数ペア:

[(1, 20841648191), (7, 2977378313), (13, 1603203707), (23, 906158617), (49, 425339759), (91, 229029101), (161, 129451231), (299, 69704509), (637, 32718443), (1127, 18493033), (2093, 9957787), (14651, 1422541)]