20944119

素因数分解:

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

素因数の和:97

約数の個数: 48

約数和(自身を含む): 35704800

約数和(自身を除く): 14760681

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 289, 357, 493, 609, 833, 867, 1421, 1479, 2023, 2499, 3451, 4263, 4913, 6069, 8381, 10353, 14161, 14739, 24157, 25143, 34391, 42483, 58667, 72471, 103173, 142477, 176001, 240737, 410669, 427431, 722211, 997339, 1232007, 2992017, 6981373, 20944119]

約数ペア:

[(1, 20944119), (3, 6981373), (7, 2992017), (17, 1232007), (21, 997339), (29, 722211), (49, 427431), (51, 410669), (87, 240737), (119, 176001), (147, 142477), (203, 103173), (289, 72471), (357, 58667), (493, 42483), (609, 34391), (833, 25143), (867, 24157), (1421, 14739), (1479, 14161), (2023, 10353), (2499, 8381), (3451, 6069), (4263, 4913)]