201920285

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3803}}^1$

素因数の和:3893

約数の個数: 32

約数和(自身を含む): 291416832

約数和(自身を除く): 89496547

約数列:

[1, 5, 7, 35, 37, 41, 185, 205, 259, 287, 1295, 1435, 1517, 3803, 7585, 10619, 19015, 26621, 53095, 133105, 140711, 155923, 703555, 779615, 984977, 1091461, 4924885, 5457305, 5769151, 28845755, 40384057, 201920285]

約数ペア:

[(1, 201920285), (5, 40384057), (7, 28845755), (35, 5769151), (37, 5457305), (41, 4924885), (185, 1091461), (205, 984977), (259, 779615), (287, 703555), (1295, 155923), (1435, 140711), (1517, 133105), (3803, 53095), (7585, 26621), (10619, 19015)]