20419788

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 30383412

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 199, 204, 398, 503, 597, 796, 1006, 1194, 1509, 2012, 2388, 3018, 3383, 6036, 6766, 8551, 10149, 13532, 17102, 20298, 25653, 34204, 40596, 51306, 100097, 102612, 200194, 300291, 400388, 600582, 1201164, 1701649, 3403298, 5104947, 6806596, 10209894, 20419788]

約数ペア:

[(1, 20419788), (2, 10209894), (3, 6806596), (4, 5104947), (6, 3403298), (12, 1701649), (17, 1201164), (34, 600582), (51, 400388), (68, 300291), (102, 200194), (199, 102612), (204, 100097), (398, 51306), (503, 40596), (597, 34204), (796, 25653), (1006, 20298), (1194, 17102), (1509, 13532), (2012, 10149), (2388, 8551), (3018, 6766), (3383, 6036)]