20560456

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9923}}^1$

素因数の和:9973

約数の個数: 32

約数和(自身を含む): 45253440

約数和(自身を除く): 24692984

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9923, 19846, 39692, 69461, 79384, 138922, 277844, 367151, 555688, 734302, 1468604, 2570057, 2937208, 5140114, 10280228, 20560456]

約数ペア:

[(1, 20560456), (2, 10280228), (4, 5140114), (7, 2937208), (8, 2570057), (14, 1468604), (28, 734302), (37, 555688), (56, 367151), (74, 277844), (148, 138922), (259, 79384), (296, 69461), (518, 39692), (1036, 19846), (2072, 9923)]