20132225920

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{141061}}^1$

素因数の和:141303

約数の個数: 64

約数和(自身を含む): 48344768640

約数和(自身を除く): 28212542720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 1115, 1784, 2230, 3568, 4460, 7136, 8920, 14272, 17840, 28544, 35680, 71360, 141061, 142720, 282122, 564244, 705305, 1128488, 1410610, 2256976, 2821220, 4513952, 5642440, 9027904, 11284880, 18055808, 22569760, 31456603, 45139520, 62913206, 90279040, 125826412, 157283015, 251652824, 314566030, 503305648, 629132060, 1006611296, 1258264120, 2013222592, 2516528240, 4026445184, 5033056480, 10066112960, 20132225920]

約数ペア:

[(1, 20132225920), (2, 10066112960), (4, 5033056480), (5, 4026445184), (8, 2516528240), (10, 2013222592), (16, 1258264120), (20, 1006611296), (32, 629132060), (40, 503305648), (64, 314566030), (80, 251652824), (128, 157283015), (160, 125826412), (223, 90279040), (320, 62913206), (446, 45139520), (640, 31456603), (892, 22569760), (1115, 18055808), (1784, 11284880), (2230, 9027904), (3568, 5642440), (4460, 4513952), (7136, 2821220), (8920, 2256976), (14272, 1410610), (17840, 1128488), (28544, 705305), (35680, 564244), (71360, 282122), (141061, 142720)]