20773216

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9689}}^1$

素因数の和:9766

約数の個数: 24

約数和(自身を含む): 41511960

約数和(自身を除く): 20738744

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9689, 19378, 38756, 77512, 155024, 310048, 649163, 1298326, 2596652, 5193304, 10386608, 20773216]

約数ペア:

[(1, 20773216), (2, 10386608), (4, 5193304), (8, 2596652), (16, 1298326), (32, 649163), (67, 310048), (134, 155024), (268, 77512), (536, 38756), (1072, 19378), (2144, 9689)]