19702690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4201}}^1$

素因数の和:4282

約数の個数: 32

約数和(自身を含む): 41145984

約数和(自身を除く): 21443294

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4201, 4690, 8402, 21005, 29407, 42010, 58814, 147035, 281467, 294070, 562934, 1407335, 1970269, 2814670, 3940538, 9851345, 19702690]

約数ペア:

[(1, 19702690), (2, 9851345), (5, 3940538), (7, 2814670), (10, 1970269), (14, 1407335), (35, 562934), (67, 294070), (70, 281467), (134, 147035), (335, 58814), (469, 42010), (670, 29407), (938, 21005), (2345, 8402), (4201, 4690)]