20205458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1746

約数の個数: 32

約数和(自身を含む): 37881984

約数和(自身を除く): 17676526

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 469, 871, 938, 1657, 1742, 3314, 6097, 11599, 12194, 21541, 23198, 43082, 111019, 150787, 222038, 301574, 777133, 1443247, 1554266, 2886494, 10102729, 20205458]

約数ペア:

[(1, 20205458), (2, 10102729), (7, 2886494), (13, 1554266), (14, 1443247), (26, 777133), (67, 301574), (91, 222038), (134, 150787), (182, 111019), (469, 43082), (871, 23198), (938, 21541), (1657, 12194), (1742, 11599), (3314, 6097)]