20654690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12829}}^1$

素因数の和:12866

約数の個数: 32

約数和(自身を含む): 44340480

約数和(自身を除く): 23685790

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12829, 25658, 64145, 89803, 128290, 179606, 295067, 449015, 590134, 898030, 1475335, 2065469, 2950670, 4130938, 10327345, 20654690]

約数ペア:

[(1, 20654690), (2, 10327345), (5, 4130938), (7, 2950670), (10, 2065469), (14, 1475335), (23, 898030), (35, 590134), (46, 449015), (70, 295067), (115, 179606), (161, 128290), (230, 89803), (322, 64145), (805, 25658), (1610, 12829)]