20216834080

素因数分解:

$2^5\times 5^1\times {\mathrm{4903}}^1\times {\mathrm{25771}}^1$

素因数の和:30689

約数の個数: 48

約数和(自身を含む): 47773865664

約数和(自身を除く): 27557031584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4903, 9806, 19612, 24515, 25771, 39224, 49030, 51542, 78448, 98060, 103084, 128855, 156896, 196120, 206168, 257710, 392240, 412336, 515420, 784480, 824672, 1030840, 2061680, 4123360, 126355213, 252710426, 505420852, 631776065, 1010841704, 1263552130, 2021683408, 2527104260, 4043366816, 5054208520, 10108417040, 20216834080]

約数ペア:

[(1, 20216834080), (2, 10108417040), (4, 5054208520), (5, 4043366816), (8, 2527104260), (10, 2021683408), (16, 1263552130), (20, 1010841704), (32, 631776065), (40, 505420852), (80, 252710426), (160, 126355213), (4903, 4123360), (9806, 2061680), (19612, 1030840), (24515, 824672), (25771, 784480), (39224, 515420), (49030, 412336), (51542, 392240), (78448, 257710), (98060, 206168), (103084, 196120), (128855, 156896)]