20403291237

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1\times {\mathrm{22699}}^1$

素因数の和:24593

約数の個数: 32

約数和(自身を含む): 32461363200

約数和(自身を除く): 12058071963

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1861, 5583, 13027, 22699, 39081, 42803, 68097, 128409, 158893, 299621, 476679, 522077, 898863, 1566231, 3654539, 10963617, 42242839, 126728517, 295699873, 887099619, 971585297, 2914755891, 6801097079, 20403291237]

約数ペア:

[(1, 20403291237), (3, 6801097079), (7, 2914755891), (21, 971585297), (23, 887099619), (69, 295699873), (161, 126728517), (483, 42242839), (1861, 10963617), (5583, 3654539), (13027, 1566231), (22699, 898863), (39081, 522077), (42803, 476679), (68097, 299621), (128409, 158893)]