20986657027

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{1487}}^1\times {\mathrm{1789}}^1$

素因数の和:3320

約数の個数: 32

約数和(自身を含む): 25569792000

約数和(自身を除く): 4583134973

約数列:

[1, 7, 23, 49, 161, 343, 1127, 1487, 1789, 7889, 10409, 12523, 34201, 41147, 72863, 87661, 239407, 288029, 510041, 613627, 1675849, 2016203, 2660243, 11730943, 14113421, 18621701, 61185589, 130351907, 428299123, 912463349, 2998093861, 20986657027]

約数ペア:

[(1, 20986657027), (7, 2998093861), (23, 912463349), (49, 428299123), (161, 130351907), (343, 61185589), (1127, 18621701), (1487, 14113421), (1789, 11730943), (7889, 2660243), (10409, 2016203), (12523, 1675849), (34201, 613627), (41147, 510041), (72863, 288029), (87661, 239407)]