20891234

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1453}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 39083520

約数和(自身を除く): 18192286

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1453, 2054, 2906, 7189, 10171, 14378, 18889, 20342, 37778, 114787, 132223, 229574, 264446, 803509, 1492231, 1607018, 2984462, 10445617, 20891234]

約数ペア:

[(1, 20891234), (2, 10445617), (7, 2984462), (13, 1607018), (14, 1492231), (26, 803509), (79, 264446), (91, 229574), (158, 132223), (182, 114787), (553, 37778), (1027, 20342), (1106, 18889), (1453, 14378), (2054, 10171), (2906, 7189)]