20210080805

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 24656486400

約数和(自身を除く): 4446405595

約数列:

[1, 5, 181, 199, 293, 383, 905, 995, 1465, 1915, 36019, 53033, 58307, 69323, 76217, 112219, 180095, 265165, 291535, 346615, 381085, 561095, 10553567, 13795277, 20311639, 22331581, 52767835, 68976385, 101558195, 111657905, 4042016161, 20210080805]

約数ペア:

[(1, 20210080805), (5, 4042016161), (181, 111657905), (199, 101558195), (293, 68976385), (383, 52767835), (905, 22331581), (995, 20311639), (1465, 13795277), (1915, 10553567), (36019, 561095), (53033, 381085), (58307, 346615), (69323, 291535), (76217, 265165), (112219, 180095)]