20659144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7573}}^1$

素因数の和:7621

約数の個数: 32

約数和(自身を含む): 43626240

約数和(自身を除く): 22967096

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7573, 15146, 30292, 60584, 83303, 166606, 234763, 333212, 469526, 666424, 939052, 1878104, 2582393, 5164786, 10329572, 20659144]

約数ペア:

[(1, 20659144), (2, 10329572), (4, 5164786), (8, 2582393), (11, 1878104), (22, 939052), (31, 666424), (44, 469526), (62, 333212), (88, 234763), (124, 166606), (248, 83303), (341, 60584), (682, 30292), (1364, 15146), (2728, 7573)]