20508088

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 19875272

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 227, 454, 491, 908, 982, 1816, 1964, 3928, 5221, 10442, 11293, 20884, 22586, 41768, 45172, 90344, 111457, 222914, 445828, 891656, 2563511, 5127022, 10254044, 20508088]

約数ペア:

[(1, 20508088), (2, 10254044), (4, 5127022), (8, 2563511), (23, 891656), (46, 445828), (92, 222914), (184, 111457), (227, 90344), (454, 45172), (491, 41768), (908, 22586), (982, 20884), (1816, 11293), (1964, 10442), (3928, 5221)]