20006872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19391528

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 227, 454, 479, 908, 958, 1816, 1916, 3832, 5221, 10442, 11017, 20884, 22034, 41768, 44068, 88136, 108733, 217466, 434932, 869864, 2500859, 5001718, 10003436, 20006872]

約数ペア:

[(1, 20006872), (2, 10003436), (4, 5001718), (8, 2500859), (23, 869864), (46, 434932), (92, 217466), (184, 108733), (227, 88136), (454, 44068), (479, 41768), (908, 22034), (958, 20884), (1816, 11017), (1916, 10442), (3832, 5221)]