20523178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25463}}^1$

素因数の和:25509

約数の個数: 16

約数和(自身を含む): 34223616

約数和(自身を除く): 13700438

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25463, 50926, 331019, 662038, 789353, 1578706, 10261589, 20523178]

約数ペア:

[(1, 20523178), (2, 10261589), (13, 1578706), (26, 789353), (31, 662038), (62, 331019), (403, 50926), (806, 25463)]