20968128

素因数分解:

$2^6\times 3^2\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:694

約数の個数: 84

約数和(自身を含む): 61219080

約数和(自身を除く): 40250952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 144, 177, 192, 236, 288, 354, 472, 531, 576, 617, 708, 944, 1062, 1234, 1416, 1851, 1888, 2124, 2468, 2832, 3702, 3776, 4248, 4936, 5553, 5664, 7404, 8496, 9872, 11106, 11328, 14808, 16992, 19744, 22212, 29616, 33984, 36403, 39488, 44424, 59232, 72806, 88848, 109209, 118464, 145612, 177696, 218418, 291224, 327627, 355392, 436836, 582448, 655254, 873672, 1164896, 1310508, 1747344, 2329792, 2621016, 3494688, 5242032, 6989376, 10484064, 20968128]

約数ペア:

[(1, 20968128), (2, 10484064), (3, 6989376), (4, 5242032), (6, 3494688), (8, 2621016), (9, 2329792), (12, 1747344), (16, 1310508), (18, 1164896), (24, 873672), (32, 655254), (36, 582448), (48, 436836), (59, 355392), (64, 327627), (72, 291224), (96, 218418), (118, 177696), (144, 145612), (177, 118464), (192, 109209), (236, 88848), (288, 72806), (354, 59232), (472, 44424), (531, 39488), (576, 36403), (617, 33984), (708, 29616), (944, 22212), (1062, 19744), (1234, 16992), (1416, 14808), (1851, 11328), (1888, 11106), (2124, 9872), (2468, 8496), (2832, 7404), (3702, 5664), (3776, 5553), (4248, 4936)]