20152901

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 22070400

約数和(自身を除く): 1917499

約数列:

[1, 19, 37, 109, 263, 703, 2071, 4033, 4997, 9731, 28667, 76627, 184889, 544673, 1060679, 20152901]

約数ペア:

[(1, 20152901), (19, 1060679), (37, 544673), (109, 184889), (263, 76627), (703, 28667), (2071, 9731), (4033, 4997)]