20194114960

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1307909}}^1$

素因数の和:1308115

約数の個数: 40

約数和(自身を含む): 47194624440

約数和(自身を除く): 27000509480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 1307909, 2615818, 5231636, 6539545, 10463272, 13079090, 20926544, 26158180, 52316360, 104632720, 252426437, 504852874, 1009705748, 1262132185, 2019411496, 2524264370, 4038822992, 5048528740, 10097057480, 20194114960]

約数ペア:

[(1, 20194114960), (2, 10097057480), (4, 5048528740), (5, 4038822992), (8, 2524264370), (10, 2019411496), (16, 1262132185), (20, 1009705748), (40, 504852874), (80, 252426437), (193, 104632720), (386, 52316360), (772, 26158180), (965, 20926544), (1544, 13079090), (1930, 10463272), (3088, 6539545), (3860, 5231636), (7720, 2615818), (15440, 1307909)]