20786513

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 24023040

約数和(自身を除く): 3236527

約数列:

[1, 11, 19, 209, 271, 367, 2981, 4037, 5149, 6973, 56639, 76703, 99457, 1094027, 1889683, 20786513]

約数ペア:

[(1, 20786513), (11, 1889683), (19, 1094027), (209, 99457), (271, 76703), (367, 56639), (2981, 6973), (4037, 5149)]