20367165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 41158656

約数和(自身を除く): 20791491

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 91, 105, 129, 195, 215, 273, 301, 347, 455, 559, 645, 903, 1041, 1365, 1505, 1677, 1735, 2429, 2795, 3913, 4511, 4515, 5205, 7287, 8385, 11739, 12145, 13533, 14921, 19565, 22555, 31577, 36435, 44763, 58695, 67665, 74605, 94731, 104447, 157885, 193973, 223815, 313341, 473655, 522235, 581919, 969865, 1357811, 1566705, 2909595, 4073433, 6789055, 20367165]

約数ペア:

[(1, 20367165), (3, 6789055), (5, 4073433), (7, 2909595), (13, 1566705), (15, 1357811), (21, 969865), (35, 581919), (39, 522235), (43, 473655), (65, 313341), (91, 223815), (105, 193973), (129, 157885), (195, 104447), (215, 94731), (273, 74605), (301, 67665), (347, 58695), (455, 44763), (559, 36435), (645, 31577), (903, 22555), (1041, 19565), (1365, 14921), (1505, 13533), (1677, 12145), (1735, 11739), (2429, 8385), (2795, 7287), (3913, 5205), (4511, 4515)]