20651796720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9561017}}^1$

素因数の和:9561039

約数の個数: 80

約数和(自身を含む): 71133973920

約数和(自身を除く): 50482177200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9561017, 19122034, 28683051, 38244068, 47805085, 57366102, 76488136, 86049153, 95610170, 114732204, 143415255, 152976272, 172098306, 191220340, 229464408, 258147459, 286830510, 344196612, 382440680, 430245765, 458928816, 516294918, 573661020, 688393224, 764881360, 860491530, 1032589836, 1147322040, 1290737295, 1376786448, 1720983060, 2065179672, 2294644080, 2581474590, 3441966120, 4130359344, 5162949180, 6883932240, 10325898360, 20651796720]

約数ペア:

[(1, 20651796720), (2, 10325898360), (3, 6883932240), (4, 5162949180), (5, 4130359344), (6, 3441966120), (8, 2581474590), (9, 2294644080), (10, 2065179672), (12, 1720983060), (15, 1376786448), (16, 1290737295), (18, 1147322040), (20, 1032589836), (24, 860491530), (27, 764881360), (30, 688393224), (36, 573661020), (40, 516294918), (45, 458928816), (48, 430245765), (54, 382440680), (60, 344196612), (72, 286830510), (80, 258147459), (90, 229464408), (108, 191220340), (120, 172098306), (135, 152976272), (144, 143415255), (180, 114732204), (216, 95610170), (240, 86049153), (270, 76488136), (360, 57366102), (432, 47805085), (540, 38244068), (720, 28683051), (1080, 19122034), (2160, 9561017)]