20556794923

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{20873}}^1$

素因数の和:21187

約数の個数: 24

約数和(自身を含む): 24272287200

約数和(自身を除く): 3715492277

約数列:

[1, 7, 49, 101, 199, 707, 1393, 4949, 9751, 20099, 20873, 140693, 146111, 984851, 1022777, 2108173, 4153727, 14757211, 29076089, 103300477, 203532623, 419526427, 2936684989, 20556794923]

約数ペア:

[(1, 20556794923), (7, 2936684989), (49, 419526427), (101, 203532623), (199, 103300477), (707, 29076089), (1393, 14757211), (4949, 4153727), (9751, 2108173), (20099, 1022777), (20873, 984851), (140693, 146111)]