20755564920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{105401}}^1$

素因数の和:105965

約数の個数: 96

約数和(自身を含む): 67579546320

約数和(自身を除く): 46823981400

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, 547, 1094, 1641, 2188, 2735, 3282, 4376, 4923, 5470, 6564, 8205, 9846, 10940, 13128, 16410, 19692, 21880, 24615, 32820, 39384, 49230, 65640, 98460, 105401, 196920, 210802, 316203, 421604, 527005, 632406, 843208, 948609, 1054010, 1264812, 1581015, 1897218, 2108020, 2529624, 3162030, 3794436, 4216040, 4743045, 6324060, 7588872, 9486090, 12648120, 18972180, 37944360, 57654347, 115308694, 172963041, 230617388, 288271735, 345926082, 461234776, 518889123, 576543470, 691852164, 864815205, 1037778246, 1153086940, 1383704328, 1729630410, 2075556492, 2306173880, 2594445615, 3459260820, 4151112984, 5188891230, 6918521640, 10377782460, 20755564920]

約数ペア:

[(1, 20755564920), (2, 10377782460), (3, 6918521640), (4, 5188891230), (5, 4151112984), (6, 3459260820), (8, 2594445615), (9, 2306173880), (10, 2075556492), (12, 1729630410), (15, 1383704328), (18, 1153086940), (20, 1037778246), (24, 864815205), (30, 691852164), (36, 576543470), (40, 518889123), (45, 461234776), (60, 345926082), (72, 288271735), (90, 230617388), (120, 172963041), (180, 115308694), (360, 57654347), (547, 37944360), (1094, 18972180), (1641, 12648120), (2188, 9486090), (2735, 7588872), (3282, 6324060), (4376, 4743045), (4923, 4216040), (5470, 3794436), (6564, 3162030), (8205, 2529624), (9846, 2108020), (10940, 1897218), (13128, 1581015), (16410, 1264812), (19692, 1054010), (21880, 948609), (24615, 843208), (32820, 632406), (39384, 527005), (49230, 421604), (65640, 316203), (98460, 210802), (105401, 196920)]