20199771080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5674093}}^1$

素因数の和:5674193

約数の個数: 32

約数和(自身を含む): 45960161400

約数和(自身を除く): 25760390320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5674093, 11348186, 22696372, 28370465, 45392744, 56740930, 113481860, 226963720, 504994277, 1009988554, 2019977108, 2524971385, 4039954216, 5049942770, 10099885540, 20199771080]

約数ペア:

[(1, 20199771080), (2, 10099885540), (4, 5049942770), (5, 4039954216), (8, 2524971385), (10, 2019977108), (20, 1009988554), (40, 504994277), (89, 226963720), (178, 113481860), (356, 56740930), (445, 45392744), (712, 28370465), (890, 22696372), (1780, 11348186), (3560, 5674093)]