20807280984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{184031}}^1$

素因数の和:184720

約数の個数: 64

約数和(自身を含む): 59538032640

約数和(自身を除く): 38730751656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 673, 1346, 2019, 2692, 4038, 4711, 5384, 8076, 9422, 14133, 16152, 18844, 28266, 37688, 56532, 113064, 184031, 368062, 552093, 736124, 1104186, 1288217, 1472248, 2208372, 2576434, 3864651, 4416744, 5152868, 7729302, 10305736, 15458604, 30917208, 123852863, 247705726, 371558589, 495411452, 743117178, 866970041, 990822904, 1486234356, 1733940082, 2600910123, 2972468712, 3467880164, 5201820246, 6935760328, 10403640492, 20807280984]

約数ペア:

[(1, 20807280984), (2, 10403640492), (3, 6935760328), (4, 5201820246), (6, 3467880164), (7, 2972468712), (8, 2600910123), (12, 1733940082), (14, 1486234356), (21, 990822904), (24, 866970041), (28, 743117178), (42, 495411452), (56, 371558589), (84, 247705726), (168, 123852863), (673, 30917208), (1346, 15458604), (2019, 10305736), (2692, 7729302), (4038, 5152868), (4711, 4416744), (5384, 3864651), (8076, 2576434), (9422, 2208372), (14133, 1472248), (16152, 1288217), (18844, 1104186), (28266, 736124), (37688, 552093), (56532, 368062), (113064, 184031)]