20868050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 44848320

約数和(自身を除く): 23980270

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 175, 218, 350, 545, 547, 763, 1090, 1094, 1526, 2725, 2735, 3815, 3829, 5450, 5470, 7630, 7658, 13675, 19075, 19145, 27350, 38150, 38290, 59623, 95725, 119246, 191450, 298115, 417361, 596230, 834722, 1490575, 2086805, 2981150, 4173610, 10434025, 20868050]

約数ペア:

[(1, 20868050), (2, 10434025), (5, 4173610), (7, 2981150), (10, 2086805), (14, 1490575), (25, 834722), (35, 596230), (50, 417361), (70, 298115), (109, 191450), (175, 119246), (218, 95725), (350, 59623), (545, 38290), (547, 38150), (763, 27350), (1090, 19145), (1094, 19075), (1526, 13675), (2725, 7658), (2735, 7630), (3815, 5470), (3829, 5450)]