20196181791

素因数分解:

$3^3\times {\mathrm{347}}^1\times {\mathrm{2155639}}^1$

素因数の和:2155995

約数の個数: 16

約数和(自身を含む): 30006508800

約数和(自身を除く): 9810327009

約数列:

[1, 3, 9, 27, 347, 1041, 3123, 9369, 2155639, 6466917, 19400751, 58202253, 748006733, 2244020199, 6732060597, 20196181791]

約数ペア:

[(1, 20196181791), (3, 6732060597), (9, 2244020199), (27, 748006733), (347, 58202253), (1041, 19400751), (3123, 6466917), (9369, 2155639)]