20959146

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2147

約数の個数: 48

約数和(自身を含む): 50066016

約数和(自身を除く): 29106870

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2083, 3354, 4166, 5031, 6249, 10062, 12498, 18747, 27079, 37494, 54158, 81237, 89569, 162474, 179138, 243711, 268707, 487422, 537414, 806121, 1164397, 1612242, 2328794, 3493191, 6986382, 10479573, 20959146]

約数ペア:

[(1, 20959146), (2, 10479573), (3, 6986382), (6, 3493191), (9, 2328794), (13, 1612242), (18, 1164397), (26, 806121), (39, 537414), (43, 487422), (78, 268707), (86, 243711), (117, 179138), (129, 162474), (234, 89569), (258, 81237), (387, 54158), (559, 37494), (774, 27079), (1118, 18747), (1677, 12498), (2083, 10062), (3354, 6249), (4166, 5031)]