20782915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 26247168

約数和(自身を除く): 5464253

約数列:

[1, 5, 23, 115, 127, 635, 1423, 2921, 7115, 14605, 32729, 163645, 180721, 903605, 4156583, 20782915]

約数ペア:

[(1, 20782915), (5, 4156583), (23, 903605), (115, 180721), (127, 163645), (635, 32729), (1423, 14605), (2921, 7115)]