20292700

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:982

約数の個数: 36

約数和(自身を含む): 44245432

約数和(自身を除く): 23952732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 661, 1228, 1322, 1535, 2644, 3070, 3305, 6140, 6610, 7675, 13220, 15350, 16525, 30700, 33050, 66100, 202927, 405854, 811708, 1014635, 2029270, 4058540, 5073175, 10146350, 20292700]

約数ペア:

[(1, 20292700), (2, 10146350), (4, 5073175), (5, 4058540), (10, 2029270), (20, 1014635), (25, 811708), (50, 405854), (100, 202927), (307, 66100), (614, 33050), (661, 30700), (1228, 16525), (1322, 15350), (1535, 13220), (2644, 7675), (3070, 6610), (3305, 6140)]