20288240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36229}}^1$

素因数の和:36249

約数の個数: 40

約数和(自身を含む): 53910240

約数和(自身を除く): 33622000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36229, 72458, 144916, 181145, 253603, 289832, 362290, 507206, 579664, 724580, 1014412, 1268015, 1449160, 2028824, 2536030, 2898320, 4057648, 5072060, 10144120, 20288240]

約数ペア:

[(1, 20288240), (2, 10144120), (4, 5072060), (5, 4057648), (7, 2898320), (8, 2536030), (10, 2028824), (14, 1449160), (16, 1268015), (20, 1014412), (28, 724580), (35, 579664), (40, 507206), (56, 362290), (70, 289832), (80, 253603), (112, 181145), (140, 144916), (280, 72458), (560, 36229)]