20005937080

素因数分解:

$2^3\times 5^1\times {\mathrm{17609}}^1\times {\mathrm{28403}}^1$

素因数の和:46023

約数の個数: 32

約数和(自身を含む): 45017499600

約数和(自身を除く): 25011562520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17609, 28403, 35218, 56806, 70436, 88045, 113612, 140872, 142015, 176090, 227224, 284030, 352180, 568060, 704360, 1136120, 500148427, 1000296854, 2000593708, 2500742135, 4001187416, 5001484270, 10002968540, 20005937080]

約数ペア:

[(1, 20005937080), (2, 10002968540), (4, 5001484270), (5, 4001187416), (8, 2500742135), (10, 2000593708), (20, 1000296854), (40, 500148427), (17609, 1136120), (28403, 704360), (35218, 568060), (56806, 352180), (70436, 284030), (88045, 227224), (113612, 176090), (140872, 142015)]