20172138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4663}}^1$

素因数の和:4778

約数の個数: 32

約数和(自身を含む): 46565376

約数和(自身を除く): 26393238

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4663, 9326, 13989, 27978, 32641, 65282, 97923, 195846, 480289, 960578, 1440867, 2881734, 3362023, 6724046, 10086069, 20172138]

約数ペア:

[(1, 20172138), (2, 10086069), (3, 6724046), (6, 3362023), (7, 2881734), (14, 1440867), (21, 960578), (42, 480289), (103, 195846), (206, 97923), (309, 65282), (618, 32641), (721, 27978), (1442, 13989), (2163, 9326), (4326, 4663)]