20326744

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{9661}}^1$

素因数の和:9930

約数の個数: 16

約数和(自身を含む): 38261520

約数和(自身を除く): 17934776

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 9661, 19322, 38644, 77288, 2540843, 5081686, 10163372, 20326744]

約数ペア:

[(1, 20326744), (2, 10163372), (4, 5081686), (8, 2540843), (263, 77288), (526, 38644), (1052, 19322), (2104, 9661)]