20047100

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{653}}^1$

素因数の和:974

約数の個数: 36

約数和(自身を含む): 43710744

約数和(自身を除く): 23663644

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 653, 1228, 1306, 1535, 2612, 3070, 3265, 6140, 6530, 7675, 13060, 15350, 16325, 30700, 32650, 65300, 200471, 400942, 801884, 1002355, 2004710, 4009420, 5011775, 10023550, 20047100]

約数ペア:

[(1, 20047100), (2, 10023550), (4, 5011775), (5, 4009420), (10, 2004710), (20, 1002355), (25, 801884), (50, 400942), (100, 200471), (307, 65300), (614, 32650), (653, 30700), (1228, 16325), (1306, 15350), (1535, 13060), (2612, 7675), (3070, 6530), (3265, 6140)]