20540912

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{761}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 45732192

約数和(自身を除く): 25191280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 761, 964, 1522, 1687, 1928, 3044, 3374, 3856, 5327, 6088, 6748, 10654, 12176, 13496, 21308, 26992, 42616, 85232, 183401, 366802, 733604, 1283807, 1467208, 2567614, 2934416, 5135228, 10270456, 20540912]

約数ペア:

[(1, 20540912), (2, 10270456), (4, 5135228), (7, 2934416), (8, 2567614), (14, 1467208), (16, 1283807), (28, 733604), (56, 366802), (112, 183401), (241, 85232), (482, 42616), (761, 26992), (964, 21308), (1522, 13496), (1687, 12176), (1928, 10654), (3044, 6748), (3374, 6088), (3856, 5327)]