2023680020

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{50923}}^1$

素因数の和:52919

約数の個数: 24

約数和(自身を含む): 4251950304

約数和(自身を除く): 2228270284

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7948, 9935, 19870, 39740, 50923, 101846, 203692, 254615, 509230, 1018460, 101184001, 202368002, 404736004, 505920005, 1011840010, 2023680020]

約数ペア:

[(1, 2023680020), (2, 1011840010), (4, 505920005), (5, 404736004), (10, 202368002), (20, 101184001), (1987, 1018460), (3974, 509230), (7948, 254615), (9935, 203692), (19870, 101846), (39740, 50923)]