20543289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4021}}^1$

素因数の和:4168

約数の個数: 16

約数和(自身を含む): 29730624

約数和(自身を除く): 9187335

約数列:

[1, 3, 13, 39, 131, 393, 1703, 4021, 5109, 12063, 52273, 156819, 526751, 1580253, 6847763, 20543289]

約数ペア:

[(1, 20543289), (3, 6847763), (13, 1580253), (39, 526751), (131, 156819), (393, 52273), (1703, 12063), (4021, 5109)]