20804930608

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{1181}}^1$

素因数の和:1467

約数の個数: 160

約数和(自身を含む): 51216721920

約数和(自身を除く): 30411791312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 79, 88, 112, 154, 158, 176, 181, 308, 316, 362, 553, 616, 632, 724, 869, 1106, 1181, 1232, 1264, 1267, 1448, 1738, 1991, 2212, 2362, 2534, 2896, 3476, 3982, 4424, 4724, 5068, 6083, 6952, 7964, 8267, 8848, 9448, 10136, 12166, 12991, 13904, 13937, 14299, 15928, 16534, 18896, 20272, 24332, 25982, 27874, 28598, 31856, 33068, 48664, 51964, 55748, 57196, 66136, 90937, 93299, 97328, 100093, 103928, 111496, 114392, 132272, 157289, 181874, 186598, 200186, 207856, 213761, 222992, 228784, 314578, 363748, 373196, 400372, 427522, 629156, 653093, 727496, 746392, 800744, 855044, 1026289, 1101023, 1258312, 1306186, 1454992, 1492784, 1496327, 1601488, 1710088, 2052578, 2202046, 2351371, 2516624, 2612372, 2992654, 3420176, 4105156, 4404092, 4702742, 5224744, 5985308, 7184023, 8210312, 8808184, 9405484, 10449488, 11970616, 14368046, 16420624, 16459597, 16887119, 17616368, 18810968, 23941232, 28736092, 32919194, 33774238, 37621936, 57472184, 65838388, 67548476, 114944368, 118209833, 131676776, 135096952, 185758309, 236419666, 263353552, 270193904, 371516618, 472839332, 743033236, 945678664, 1300308163, 1486066472, 1891357328, 2600616326, 2972132944, 5201232652, 10402465304, 20804930608]

約数ペア:

[(1, 20804930608), (2, 10402465304), (4, 5201232652), (7, 2972132944), (8, 2600616326), (11, 1891357328), (14, 1486066472), (16, 1300308163), (22, 945678664), (28, 743033236), (44, 472839332), (56, 371516618), (77, 270193904), (79, 263353552), (88, 236419666), (112, 185758309), (154, 135096952), (158, 131676776), (176, 118209833), (181, 114944368), (308, 67548476), (316, 65838388), (362, 57472184), (553, 37621936), (616, 33774238), (632, 32919194), (724, 28736092), (869, 23941232), (1106, 18810968), (1181, 17616368), (1232, 16887119), (1264, 16459597), (1267, 16420624), (1448, 14368046), (1738, 11970616), (1991, 10449488), (2212, 9405484), (2362, 8808184), (2534, 8210312), (2896, 7184023), (3476, 5985308), (3982, 5224744), (4424, 4702742), (4724, 4404092), (5068, 4105156), (6083, 3420176), (6952, 2992654), (7964, 2612372), (8267, 2516624), (8848, 2351371), (9448, 2202046), (10136, 2052578), (12166, 1710088), (12991, 1601488), (13904, 1496327), (13937, 1492784), (14299, 1454992), (15928, 1306186), (16534, 1258312), (18896, 1101023), (20272, 1026289), (24332, 855044), (25982, 800744), (27874, 746392), (28598, 727496), (31856, 653093), (33068, 629156), (48664, 427522), (51964, 400372), (55748, 373196), (57196, 363748), (66136, 314578), (90937, 228784), (93299, 222992), (97328, 213761), (100093, 207856), (103928, 200186), (111496, 186598), (114392, 181874), (132272, 157289)]