20195422920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{87517}}^1$

素因数の和:88175

約数の個数: 96

約数和(自身を含む): 65738270520

約数和(自身を除く): 45542847600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 641, 1282, 1923, 2564, 3205, 3846, 5128, 5769, 6410, 7692, 9615, 11538, 12820, 15384, 19230, 23076, 25640, 28845, 38460, 46152, 57690, 76920, 87517, 115380, 175034, 230760, 262551, 350068, 437585, 525102, 700136, 787653, 875170, 1050204, 1312755, 1575306, 1750340, 2100408, 2625510, 3150612, 3500680, 3938265, 5251020, 6301224, 7876530, 10502040, 15753060, 31506120, 56098397, 112196794, 168295191, 224393588, 280491985, 336590382, 448787176, 504885573, 560983970, 673180764, 841475955, 1009771146, 1121967940, 1346361528, 1682951910, 2019542292, 2243935880, 2524427865, 3365903820, 4039084584, 5048855730, 6731807640, 10097711460, 20195422920]

約数ペア:

[(1, 20195422920), (2, 10097711460), (3, 6731807640), (4, 5048855730), (5, 4039084584), (6, 3365903820), (8, 2524427865), (9, 2243935880), (10, 2019542292), (12, 1682951910), (15, 1346361528), (18, 1121967940), (20, 1009771146), (24, 841475955), (30, 673180764), (36, 560983970), (40, 504885573), (45, 448787176), (60, 336590382), (72, 280491985), (90, 224393588), (120, 168295191), (180, 112196794), (360, 56098397), (641, 31506120), (1282, 15753060), (1923, 10502040), (2564, 7876530), (3205, 6301224), (3846, 5251020), (5128, 3938265), (5769, 3500680), (6410, 3150612), (7692, 2625510), (9615, 2100408), (11538, 1750340), (12820, 1575306), (15384, 1312755), (19230, 1050204), (23076, 875170), (25640, 787653), (28845, 700136), (38460, 525102), (46152, 437585), (57690, 350068), (76920, 262551), (87517, 230760), (115380, 175034)]