20163815080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5663993}}^1$

素因数の和:5664093

約数の個数: 32

約数和(自身を含む): 45878351400

約数和(自身を除く): 25714536320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5663993, 11327986, 22655972, 28319965, 45311944, 56639930, 113279860, 226559720, 504095377, 1008190754, 2016381508, 2520476885, 4032763016, 5040953770, 10081907540, 20163815080]

約数ペア:

[(1, 20163815080), (2, 10081907540), (4, 5040953770), (5, 4032763016), (8, 2520476885), (10, 2016381508), (20, 1008190754), (40, 504095377), (89, 226559720), (178, 113279860), (356, 56639930), (445, 45311944), (712, 28319965), (890, 22655972), (1780, 11327986), (3560, 5663993)]