20175872880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{88771}}^1$

素因数の和:89734

約数の個数: 80

約数和(自身を含む): 62611956864

約数和(自身を除く): 42436083984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 947, 1894, 2841, 3788, 4735, 5682, 7576, 9470, 11364, 14205, 15152, 18940, 22728, 28410, 37880, 45456, 56820, 75760, 88771, 113640, 177542, 227280, 266313, 355084, 443855, 532626, 710168, 887710, 1065252, 1331565, 1420336, 1775420, 2130504, 2663130, 3550840, 4261008, 5326260, 7101680, 10652520, 21305040, 84066137, 168132274, 252198411, 336264548, 420330685, 504396822, 672529096, 840661370, 1008793644, 1260992055, 1345058192, 1681322740, 2017587288, 2521984110, 3362645480, 4035174576, 5043968220, 6725290960, 10087936440, 20175872880]

約数ペア:

[(1, 20175872880), (2, 10087936440), (3, 6725290960), (4, 5043968220), (5, 4035174576), (6, 3362645480), (8, 2521984110), (10, 2017587288), (12, 1681322740), (15, 1345058192), (16, 1260992055), (20, 1008793644), (24, 840661370), (30, 672529096), (40, 504396822), (48, 420330685), (60, 336264548), (80, 252198411), (120, 168132274), (240, 84066137), (947, 21305040), (1894, 10652520), (2841, 7101680), (3788, 5326260), (4735, 4261008), (5682, 3550840), (7576, 2663130), (9470, 2130504), (11364, 1775420), (14205, 1420336), (15152, 1331565), (18940, 1065252), (22728, 887710), (28410, 710168), (37880, 532626), (45456, 443855), (56820, 355084), (75760, 266313), (88771, 227280), (113640, 177542)]