20940448

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9767}}^1$

素因数の和:9844

約数の個数: 24

約数和(自身を含む): 41846112

約数和(自身を除く): 20905664

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9767, 19534, 39068, 78136, 156272, 312544, 654389, 1308778, 2617556, 5235112, 10470224, 20940448]

約数ペア:

[(1, 20940448), (2, 10470224), (4, 5235112), (8, 2617556), (16, 1308778), (32, 654389), (67, 312544), (134, 156272), (268, 78136), (536, 39068), (1072, 19534), (2144, 9767)]