20707560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 68108040

約数和(自身を除く): 47400480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 593, 776, 873, 970, 1164, 1186, 1455, 1746, 1779, 1940, 2328, 2372, 2910, 2965, 3492, 3558, 3880, 4365, 4744, 5337, 5820, 5930, 6984, 7116, 8730, 8895, 10674, 11640, 11860, 14232, 17460, 17790, 21348, 23720, 26685, 34920, 35580, 42696, 53370, 57521, 71160, 106740, 115042, 172563, 213480, 230084, 287605, 345126, 460168, 517689, 575210, 690252, 862815, 1035378, 1150420, 1380504, 1725630, 2070756, 2300840, 2588445, 3451260, 4141512, 5176890, 6902520, 10353780, 20707560]

約数ペア:

[(1, 20707560), (2, 10353780), (3, 6902520), (4, 5176890), (5, 4141512), (6, 3451260), (8, 2588445), (9, 2300840), (10, 2070756), (12, 1725630), (15, 1380504), (18, 1150420), (20, 1035378), (24, 862815), (30, 690252), (36, 575210), (40, 517689), (45, 460168), (60, 345126), (72, 287605), (90, 230084), (97, 213480), (120, 172563), (180, 115042), (194, 106740), (291, 71160), (360, 57521), (388, 53370), (485, 42696), (582, 35580), (593, 34920), (776, 26685), (873, 23720), (970, 21348), (1164, 17790), (1186, 17460), (1455, 14232), (1746, 11860), (1779, 11640), (1940, 10674), (2328, 8895), (2372, 8730), (2910, 7116), (2965, 6984), (3492, 5930), (3558, 5820), (3880, 5337), (4365, 4744)]