20387631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9221}}^1$

素因数の和:9302

約数の個数: 16

約数和(自身を含む): 30100608

約数和(自身を除く): 9712977

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9221, 27663, 101431, 304293, 617807, 1853421, 6795877, 20387631]

約数ペア:

[(1, 20387631), (3, 6795877), (11, 1853421), (33, 617807), (67, 304293), (201, 101431), (737, 27663), (2211, 9221)]