20432020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20849}}^1$

素因数の和:20872

約数の個数: 36

約数和(自身を含む): 49914900

約数和(自身を除く): 29482880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20849, 41698, 83396, 104245, 145943, 208490, 291886, 416980, 583772, 729715, 1021601, 1459430, 2043202, 2918860, 4086404, 5108005, 10216010, 20432020]

約数ペア:

[(1, 20432020), (2, 10216010), (4, 5108005), (5, 4086404), (7, 2918860), (10, 2043202), (14, 1459430), (20, 1021601), (28, 729715), (35, 583772), (49, 416980), (70, 291886), (98, 208490), (140, 145943), (196, 104245), (245, 83396), (490, 41698), (980, 20849)]