20015982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2371}}^1$

素因数の和:2453

約数の個数: 48

約数和(自身を含む): 50324352

約数和(自身を除く): 30308370

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 402, 469, 603, 938, 1206, 1407, 2371, 2814, 4221, 4742, 7113, 8442, 14226, 16597, 21339, 33194, 42678, 49791, 99582, 149373, 158857, 298746, 317714, 476571, 953142, 1111999, 1429713, 2223998, 2859426, 3335997, 6671994, 10007991, 20015982]

約数ペア:

[(1, 20015982), (2, 10007991), (3, 6671994), (6, 3335997), (7, 2859426), (9, 2223998), (14, 1429713), (18, 1111999), (21, 953142), (42, 476571), (63, 317714), (67, 298746), (126, 158857), (134, 149373), (201, 99582), (402, 49791), (469, 42678), (603, 33194), (938, 21339), (1206, 16597), (1407, 14226), (2371, 8442), (2814, 7113), (4221, 4742)]