20784887952

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3115241}}^1$

素因数の和:3115391

約数の個数: 40

約数和(自身を含む): 54080601120

約数和(自身を除く): 33295713168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3336, 6672, 3115241, 6230482, 9345723, 12460964, 18691446, 24921928, 37382892, 49843856, 74765784, 149531568, 433018499, 866036998, 1299055497, 1732073996, 2598110994, 3464147992, 5196221988, 6928295984, 10392443976, 20784887952]

約数ペア:

[(1, 20784887952), (2, 10392443976), (3, 6928295984), (4, 5196221988), (6, 3464147992), (8, 2598110994), (12, 1732073996), (16, 1299055497), (24, 866036998), (48, 433018499), (139, 149531568), (278, 74765784), (417, 49843856), (556, 37382892), (834, 24921928), (1112, 18691446), (1668, 12460964), (2224, 9345723), (3336, 6230482), (6672, 3115241)]