20167770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{701}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 55800576

約数和(自身を除く): 35632806

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 701, 822, 959, 1370, 1402, 1918, 2055, 2103, 2877, 3505, 4110, 4206, 4795, 4907, 5754, 7010, 9590, 9814, 10515, 14385, 14721, 21030, 24535, 28770, 29442, 49070, 73605, 96037, 147210, 192074, 288111, 480185, 576222, 672259, 960370, 1344518, 1440555, 2016777, 2881110, 3361295, 4033554, 6722590, 10083885, 20167770]

約数ペア:

[(1, 20167770), (2, 10083885), (3, 6722590), (5, 4033554), (6, 3361295), (7, 2881110), (10, 2016777), (14, 1440555), (15, 1344518), (21, 960370), (30, 672259), (35, 576222), (42, 480185), (70, 288111), (105, 192074), (137, 147210), (210, 96037), (274, 73605), (411, 49070), (685, 29442), (701, 28770), (822, 24535), (959, 21030), (1370, 14721), (1402, 14385), (1918, 10515), (2055, 9814), (2103, 9590), (2877, 7010), (3505, 5754), (4110, 4907), (4206, 4795)]