20131709768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{50417}}^1$

素因数の和:50550

約数の個数: 64

約数和(自身を含む): 41383094400

約数和(自身を除く): 21251384632

約数列:

[1, 2, 4, 8, 19, 37, 38, 71, 74, 76, 142, 148, 152, 284, 296, 568, 703, 1349, 1406, 2627, 2698, 2812, 5254, 5396, 5624, 10508, 10792, 21016, 49913, 50417, 99826, 100834, 199652, 201668, 399304, 403336, 957923, 1865429, 1915846, 3579607, 3730858, 3831692, 7159214, 7461716, 7663384, 14318428, 14923432, 28636856, 35443151, 68012533, 70886302, 132445459, 136025066, 141772604, 264890918, 272050132, 283545208, 529781836, 544100264, 1059563672, 2516463721, 5032927442, 10065854884, 20131709768]

約数ペア:

[(1, 20131709768), (2, 10065854884), (4, 5032927442), (8, 2516463721), (19, 1059563672), (37, 544100264), (38, 529781836), (71, 283545208), (74, 272050132), (76, 264890918), (142, 141772604), (148, 136025066), (152, 132445459), (284, 70886302), (296, 68012533), (568, 35443151), (703, 28636856), (1349, 14923432), (1406, 14318428), (2627, 7663384), (2698, 7461716), (2812, 7159214), (5254, 3831692), (5396, 3730858), (5624, 3579607), (10508, 1915846), (10792, 1865429), (21016, 957923), (49913, 403336), (50417, 399304), (99826, 201668), (100834, 199652)]