20410180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7673}}^1$

素因数の和:7708

約数の個数: 48

約数和(自身を含む): 51569280

約数和(自身を除く): 31159100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7673, 15346, 30692, 38365, 53711, 76730, 107422, 145787, 153460, 214844, 268555, 291574, 537110, 583148, 728935, 1020509, 1074220, 1457870, 2041018, 2915740, 4082036, 5102545, 10205090, 20410180]

約数ペア:

[(1, 20410180), (2, 10205090), (4, 5102545), (5, 4082036), (7, 2915740), (10, 2041018), (14, 1457870), (19, 1074220), (20, 1020509), (28, 728935), (35, 583148), (38, 537110), (70, 291574), (76, 268555), (95, 214844), (133, 153460), (140, 145787), (190, 107422), (266, 76730), (380, 53711), (532, 38365), (665, 30692), (1330, 15346), (2660, 7673)]