20924995280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5338009}}^1$

素因数の和:5338036

約数の個数: 60

約数和(自身を含む): 56593582020

約数和(自身を除く): 35668586740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5338009, 10676018, 21352036, 26690045, 37366063, 42704072, 53380090, 74732126, 85408144, 106760180, 149464252, 186830315, 213520360, 261562441, 298928504, 373660630, 427040720, 523124882, 597857008, 747321260, 1046249764, 1307812205, 1494642520, 2092499528, 2615624410, 2989285040, 4184999056, 5231248820, 10462497640, 20924995280]

約数ペア:

[(1, 20924995280), (2, 10462497640), (4, 5231248820), (5, 4184999056), (7, 2989285040), (8, 2615624410), (10, 2092499528), (14, 1494642520), (16, 1307812205), (20, 1046249764), (28, 747321260), (35, 597857008), (40, 523124882), (49, 427040720), (56, 373660630), (70, 298928504), (80, 261562441), (98, 213520360), (112, 186830315), (140, 149464252), (196, 106760180), (245, 85408144), (280, 74732126), (392, 53380090), (490, 42704072), (560, 37366063), (784, 26690045), (980, 21352036), (1960, 10676018), (3920, 5338009)]