20263481

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{607}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 4251079

約数列:

[1, 7, 19, 133, 251, 607, 1757, 4249, 4769, 11533, 33383, 80731, 152357, 1066499, 2894783, 20263481]

約数ペア:

[(1, 20263481), (7, 2894783), (19, 1066499), (133, 152357), (251, 80731), (607, 33383), (1757, 11533), (4249, 4769)]