20897264792

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{367}}^1\times {\mathrm{79973}}^1$

素因数の和:80435

約数の個数: 32

約数和(自身を含む): 39731083200

約数和(自身を除く): 18833818408

約数列:

[1, 2, 4, 8, 89, 178, 356, 367, 712, 734, 1468, 2936, 32663, 65326, 79973, 130652, 159946, 261304, 319892, 639784, 7117597, 14235194, 28470388, 29350091, 56940776, 58700182, 117400364, 234800728, 2612158099, 5224316198, 10448632396, 20897264792]

約数ペア:

[(1, 20897264792), (2, 10448632396), (4, 5224316198), (8, 2612158099), (89, 234800728), (178, 117400364), (356, 58700182), (367, 56940776), (712, 29350091), (734, 28470388), (1468, 14235194), (2936, 7117597), (32663, 639784), (65326, 319892), (79973, 261304), (130652, 159946)]