20512240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36629}}^1$

素因数の和:36649

約数の個数: 40

約数和(自身を含む): 54505440

約数和(自身を除く): 33993200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36629, 73258, 146516, 183145, 256403, 293032, 366290, 512806, 586064, 732580, 1025612, 1282015, 1465160, 2051224, 2564030, 2930320, 4102448, 5128060, 10256120, 20512240]

約数ペア:

[(1, 20512240), (2, 10256120), (4, 5128060), (5, 4102448), (7, 2930320), (8, 2564030), (10, 2051224), (14, 1465160), (16, 1282015), (20, 1025612), (28, 732580), (35, 586064), (40, 512806), (56, 366290), (70, 293032), (80, 256403), (112, 183145), (140, 146516), (280, 73258), (560, 36629)]