20713184

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9661}}^1$

素因数の和:9738

約数の個数: 24

約数和(自身を含む): 41392008

約数和(自身を除く): 20678824

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9661, 19322, 38644, 77288, 154576, 309152, 647287, 1294574, 2589148, 5178296, 10356592, 20713184]

約数ペア:

[(1, 20713184), (2, 10356592), (4, 5178296), (8, 2589148), (16, 1294574), (32, 647287), (67, 309152), (134, 154576), (268, 77288), (536, 38644), (1072, 19322), (2144, 9661)]