20671570505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5003}}^1$

素因数の和:5142

約数の個数: 64

約数和(自身を含む): 28592455680

約数和(自身を除く): 7920885175

約数列:

[1, 5, 19, 23, 31, 61, 95, 115, 155, 305, 437, 589, 713, 1159, 1403, 1891, 2185, 2945, 3565, 5003, 5795, 7015, 9455, 13547, 25015, 26657, 35929, 43493, 67735, 95057, 115069, 133285, 155093, 179645, 217465, 305183, 475285, 575345, 775465, 826367, 1525915, 2186311, 2946767, 3567139, 4131835, 5798477, 7019209, 9460673, 10931555, 14733835, 17835695, 28992385, 35096045, 47303365, 67775641, 133364971, 179752787, 217595479, 338878205, 666824855, 898763935, 1087977395, 4134314101, 20671570505]

約数ペア:

[(1, 20671570505), (5, 4134314101), (19, 1087977395), (23, 898763935), (31, 666824855), (61, 338878205), (95, 217595479), (115, 179752787), (155, 133364971), (305, 67775641), (437, 47303365), (589, 35096045), (713, 28992385), (1159, 17835695), (1403, 14733835), (1891, 10931555), (2185, 9460673), (2945, 7019209), (3565, 5798477), (5003, 4131835), (5795, 3567139), (7015, 2946767), (9455, 2186311), (13547, 1525915), (25015, 826367), (26657, 775465), (35929, 575345), (43493, 475285), (67735, 305183), (95057, 217465), (115069, 179645), (133285, 155093)]