20388637983

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42212501}}^1$

素因数の和:42212534

約数の個数: 16

約数和(自身を含む): 32419201536

約数和(自身を除く): 12030563553

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42212501, 126637503, 295487507, 886462521, 970887523, 2912662569, 6796212661, 20388637983]

約数ペア:

[(1, 20388637983), (3, 6796212661), (7, 2912662569), (21, 970887523), (23, 886462521), (69, 295487507), (161, 126637503), (483, 42212501)]