20968100

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{683}}^1$

素因数の和:1004

約数の個数: 36

約数和(自身を含む): 45715824

約数和(自身を除く): 24747724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 683, 1228, 1366, 1535, 2732, 3070, 3415, 6140, 6830, 7675, 13660, 15350, 17075, 30700, 34150, 68300, 209681, 419362, 838724, 1048405, 2096810, 4193620, 5242025, 10484050, 20968100]

約数ペア:

[(1, 20968100), (2, 10484050), (4, 5242025), (5, 4193620), (10, 2096810), (20, 1048405), (25, 838724), (50, 419362), (100, 209681), (307, 68300), (614, 34150), (683, 30700), (1228, 17075), (1366, 15350), (1535, 13660), (2732, 7675), (3070, 6830), (3415, 6140)]