20405994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11299}}^1$

素因数の和:11354

約数の個数: 32

約数和(自身を含む): 47731200

約数和(自身を除く): 27325206

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11299, 22598, 33897, 67794, 79093, 158186, 237279, 474558, 485857, 971714, 1457571, 2915142, 3400999, 6801998, 10202997, 20405994]

約数ペア:

[(1, 20405994), (2, 10202997), (3, 6801998), (6, 3400999), (7, 2915142), (14, 1457571), (21, 971714), (42, 485857), (43, 474558), (86, 237279), (129, 158186), (258, 79093), (301, 67794), (602, 33897), (903, 22598), (1806, 11299)]