20606780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27847}}^1$

素因数の和:27893

約数の個数: 24

約数和(自身を含む): 44445408

約数和(自身を除く): 23838628

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27847, 55694, 111388, 139235, 278470, 556940, 1030339, 2060678, 4121356, 5151695, 10303390, 20606780]

約数ペア:

[(1, 20606780), (2, 10303390), (4, 5151695), (5, 4121356), (10, 2060678), (20, 1030339), (37, 556940), (74, 278470), (148, 139235), (185, 111388), (370, 55694), (740, 27847)]