20560720128

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2059367}}^1$

素因数の和:2059399

約数の個数: 72

約数和(自身を含む): 58930874688

約数和(自身を除く): 38370154560

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 9984, 2059367, 4118734, 6178101, 8237468, 12356202, 16474936, 24712404, 26771771, 32949872, 49424808, 53543542, 65899744, 80315313, 98849616, 107087084, 131799488, 160630626, 197699232, 214174168, 263598976, 321261252, 395398464, 428348336, 527197952, 642522504, 790796928, 856696672, 1285045008, 1581593856, 1713393344, 2570090016, 3426786688, 5140180032, 6853573376, 10280360064, 20560720128]

約数ペア:

[(1, 20560720128), (2, 10280360064), (3, 6853573376), (4, 5140180032), (6, 3426786688), (8, 2570090016), (12, 1713393344), (13, 1581593856), (16, 1285045008), (24, 856696672), (26, 790796928), (32, 642522504), (39, 527197952), (48, 428348336), (52, 395398464), (64, 321261252), (78, 263598976), (96, 214174168), (104, 197699232), (128, 160630626), (156, 131799488), (192, 107087084), (208, 98849616), (256, 80315313), (312, 65899744), (384, 53543542), (416, 49424808), (624, 32949872), (768, 26771771), (832, 24712404), (1248, 16474936), (1664, 12356202), (2496, 8237468), (3328, 6178101), (4992, 4118734), (9984, 2059367)]