20126771

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4065229

約数列:

[1, 7, 23, 149, 161, 839, 1043, 3427, 5873, 19297, 23989, 125011, 135079, 875077, 2875253, 20126771]

約数ペア:

[(1, 20126771), (7, 2875253), (23, 875077), (149, 135079), (161, 125011), (839, 23989), (1043, 19297), (3427, 5873)]