20200280

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2113}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 45662400

約数和(自身を除く): 25462120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2113, 2390, 4226, 4780, 8452, 9560, 10565, 16904, 21130, 42260, 84520, 505007, 1010014, 2020028, 2525035, 4040056, 5050070, 10100140, 20200280]

約数ペア:

[(1, 20200280), (2, 10100140), (4, 5050070), (5, 4040056), (8, 2525035), (10, 2020028), (20, 1010014), (40, 505007), (239, 84520), (478, 42260), (956, 21130), (1195, 16904), (1912, 10565), (2113, 9560), (2390, 8452), (4226, 4780)]