20663027

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2113}}^1$

素因数の和:2258

約数の個数: 16

約数和(自身を含む): 25976832

約数和(自身を除く): 5313805

約数列:

[1, 7, 11, 77, 127, 889, 1397, 2113, 9779, 14791, 23243, 162701, 268351, 1878457, 2951861, 20663027]

約数ペア:

[(1, 20663027), (7, 2951861), (11, 1878457), (77, 268351), (127, 162701), (889, 23243), (1397, 14791), (2113, 9779)]