20168059920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{135757}}^1$

素因数の和:136392

約数の個数: 80

約数和(自身を含む): 62622450240

約数和(自身を除く): 42454390320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 619, 1238, 1857, 2476, 3095, 3714, 4952, 6190, 7428, 9285, 9904, 12380, 14856, 18570, 24760, 29712, 37140, 49520, 74280, 135757, 148560, 271514, 407271, 543028, 678785, 814542, 1086056, 1357570, 1629084, 2036355, 2172112, 2715140, 3258168, 4072710, 5430280, 6516336, 8145420, 10860560, 16290840, 32581680, 84033583, 168067166, 252100749, 336134332, 420167915, 504201498, 672268664, 840335830, 1008402996, 1260503745, 1344537328, 1680671660, 2016805992, 2521007490, 3361343320, 4033611984, 5042014980, 6722686640, 10084029960, 20168059920]

約数ペア:

[(1, 20168059920), (2, 10084029960), (3, 6722686640), (4, 5042014980), (5, 4033611984), (6, 3361343320), (8, 2521007490), (10, 2016805992), (12, 1680671660), (15, 1344537328), (16, 1260503745), (20, 1008402996), (24, 840335830), (30, 672268664), (40, 504201498), (48, 420167915), (60, 336134332), (80, 252100749), (120, 168067166), (240, 84033583), (619, 32581680), (1238, 16290840), (1857, 10860560), (2476, 8145420), (3095, 6516336), (3714, 5430280), (4952, 4072710), (6190, 3258168), (7428, 2715140), (9285, 2172112), (9904, 2036355), (12380, 1629084), (14856, 1357570), (18570, 1086056), (24760, 814542), (29712, 678785), (37140, 543028), (49520, 407271), (74280, 271514), (135757, 148560)]