20679666

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2319

約数の個数: 48

約数和(自身を含む): 49685760

約数和(自身を除く): 29006094

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 434, 651, 1302, 1519, 2269, 3038, 4538, 4557, 6807, 9114, 13614, 15883, 31766, 47649, 70339, 95298, 111181, 140678, 211017, 222362, 333543, 422034, 492373, 667086, 984746, 1477119, 2954238, 3446611, 6893222, 10339833, 20679666]

約数ペア:

[(1, 20679666), (2, 10339833), (3, 6893222), (6, 3446611), (7, 2954238), (14, 1477119), (21, 984746), (31, 667086), (42, 492373), (49, 422034), (62, 333543), (93, 222362), (98, 211017), (147, 140678), (186, 111181), (217, 95298), (294, 70339), (434, 47649), (651, 31766), (1302, 15883), (1519, 13614), (2269, 9114), (3038, 6807), (4538, 4557)]