20518526

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27653}}^1$

素因数の和:27715

約数の個数: 16

約数和(自身を含む): 35839584

約数和(自身を除く): 15321058

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27653, 55306, 193571, 387142, 1465609, 2931218, 10259263, 20518526]

約数ペア:

[(1, 20518526), (2, 10259263), (7, 2931218), (14, 1465609), (53, 387142), (106, 193571), (371, 55306), (742, 27653)]