20659678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2251}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 33482736

約数和(自身を除く): 12823058

約数列:

[1, 2, 13, 26, 353, 706, 2251, 4502, 4589, 9178, 29263, 58526, 794603, 1589206, 10329839, 20659678]

約数ペア:

[(1, 20659678), (2, 10329839), (13, 1589206), (26, 794603), (353, 58526), (706, 29263), (2251, 9178), (4502, 4589)]