20087564340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1\times {\mathrm{1087}}^1$

素因数の和:2221

約数の個数: 96

約数和(自身を含む): 56502190080

約数和(自身を除く): 36414625740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 643, 958, 1087, 1286, 1437, 1916, 1929, 2174, 2395, 2572, 2874, 3215, 3261, 3858, 4348, 4790, 5435, 5748, 6430, 6522, 7185, 7716, 9580, 9645, 10870, 12860, 13044, 14370, 16305, 19290, 21740, 28740, 32610, 38580, 65220, 307997, 520673, 615994, 698941, 923991, 1041346, 1231988, 1397882, 1539985, 1562019, 1847982, 2082692, 2096823, 2603365, 2795764, 3079970, 3124038, 3494705, 3695964, 4193646, 4619955, 5206730, 6159940, 6248076, 6989410, 7810095, 8387292, 9239910, 10413460, 10484115, 13978820, 15620190, 18479820, 20968230, 31240380, 41936460, 334792739, 669585478, 1004378217, 1339170956, 1673963695, 2008756434, 3347927390, 4017512868, 5021891085, 6695854780, 10043782170, 20087564340]

約数ペア:

[(1, 20087564340), (2, 10043782170), (3, 6695854780), (4, 5021891085), (5, 4017512868), (6, 3347927390), (10, 2008756434), (12, 1673963695), (15, 1339170956), (20, 1004378217), (30, 669585478), (60, 334792739), (479, 41936460), (643, 31240380), (958, 20968230), (1087, 18479820), (1286, 15620190), (1437, 13978820), (1916, 10484115), (1929, 10413460), (2174, 9239910), (2395, 8387292), (2572, 7810095), (2874, 6989410), (3215, 6248076), (3261, 6159940), (3858, 5206730), (4348, 4619955), (4790, 4193646), (5435, 3695964), (5748, 3494705), (6430, 3124038), (6522, 3079970), (7185, 2795764), (7716, 2603365), (9580, 2096823), (9645, 2082692), (10870, 1847982), (12860, 1562019), (13044, 1539985), (14370, 1397882), (16305, 1231988), (19290, 1041346), (21740, 923991), (28740, 698941), (32610, 615994), (38580, 520673), (65220, 307997)]