20878594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14683646

約数列:

[1, 2, 11, 22, 41, 79, 82, 158, 293, 451, 586, 869, 902, 1738, 3223, 3239, 6446, 6478, 12013, 23147, 24026, 35629, 46294, 71258, 132143, 254617, 264286, 509234, 949027, 1898054, 10439297, 20878594]

約数ペア:

[(1, 20878594), (2, 10439297), (11, 1898054), (22, 949027), (41, 509234), (79, 264286), (82, 254617), (158, 132143), (293, 71258), (451, 46294), (586, 35629), (869, 24026), (902, 23147), (1738, 12013), (3223, 6478), (3239, 6446)]