20288138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5237}}^1$

素因数の和:5401

約数の個数: 16

約数和(自身を含む): 32999400

約数和(自身を除く): 12711262

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5237, 10474, 68081, 136162, 780313, 1560626, 10144069, 20288138]

約数ペア:

[(1, 20288138), (2, 10144069), (13, 1560626), (26, 780313), (149, 136162), (298, 68081), (1937, 10474), (3874, 5237)]