20648256

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 112

約数和(自身を含む): 58204608

約数和(自身を除く): 37556352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 43, 48, 61, 64, 82, 86, 96, 122, 123, 129, 164, 172, 183, 192, 244, 246, 258, 328, 344, 366, 488, 492, 516, 656, 688, 732, 976, 984, 1032, 1312, 1376, 1464, 1763, 1952, 1968, 2064, 2501, 2623, 2624, 2752, 2928, 3526, 3904, 3936, 4128, 5002, 5246, 5289, 5856, 7052, 7503, 7869, 7872, 8256, 10004, 10492, 10578, 11712, 14104, 15006, 15738, 20008, 20984, 21156, 28208, 30012, 31476, 40016, 41968, 42312, 56416, 60024, 62952, 80032, 83936, 84624, 107543, 112832, 120048, 125904, 160064, 167872, 169248, 215086, 240096, 251808, 322629, 338496, 430172, 480192, 503616, 645258, 860344, 1290516, 1720688, 2581032, 3441376, 5162064, 6882752, 10324128, 20648256]

約数ペア:

[(1, 20648256), (2, 10324128), (3, 6882752), (4, 5162064), (6, 3441376), (8, 2581032), (12, 1720688), (16, 1290516), (24, 860344), (32, 645258), (41, 503616), (43, 480192), (48, 430172), (61, 338496), (64, 322629), (82, 251808), (86, 240096), (96, 215086), (122, 169248), (123, 167872), (129, 160064), (164, 125904), (172, 120048), (183, 112832), (192, 107543), (244, 84624), (246, 83936), (258, 80032), (328, 62952), (344, 60024), (366, 56416), (488, 42312), (492, 41968), (516, 40016), (656, 31476), (688, 30012), (732, 28208), (976, 21156), (984, 20984), (1032, 20008), (1312, 15738), (1376, 15006), (1464, 14104), (1763, 11712), (1952, 10578), (1968, 10492), (2064, 10004), (2501, 8256), (2623, 7872), (2624, 7869), (2752, 7503), (2928, 7052), (3526, 5856), (3904, 5289), (3936, 5246), (4128, 5002)]