20107899

素因数分解:

$3^3\times 7^1\times {\mathrm{106391}}^1$

素因数の和:106407

約数の個数: 16

約数和(自身を含む): 34045440

約数和(自身を除く): 13937541

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106391, 319173, 744737, 957519, 2234211, 2872557, 6702633, 20107899]

約数ペア:

[(1, 20107899), (3, 6702633), (7, 2872557), (9, 2234211), (21, 957519), (27, 744737), (63, 319173), (189, 106391)]