20364351

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 34719840

約数和(自身を除く): 14355489

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 281, 357, 493, 609, 833, 843, 1421, 1479, 1967, 2499, 3451, 4263, 4777, 5901, 8149, 10353, 13769, 14331, 24157, 24447, 33439, 41307, 57043, 72471, 100317, 138533, 171129, 234073, 399301, 415599, 702219, 969731, 1197903, 2909193, 6788117, 20364351]

約数ペア:

[(1, 20364351), (3, 6788117), (7, 2909193), (17, 1197903), (21, 969731), (29, 702219), (49, 415599), (51, 399301), (87, 234073), (119, 171129), (147, 138533), (203, 100317), (281, 72471), (357, 57043), (493, 41307), (609, 33439), (833, 24447), (843, 24157), (1421, 14331), (1479, 13769), (1967, 10353), (2499, 8149), (3451, 5901), (4263, 4777)]