20904102012

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{49169}}^1$

素因数の和:49746

約数の個数: 48

約数和(自身を含む): 49563360000

約数和(自身を除く): 28659257988

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 499, 852, 998, 1497, 1996, 2994, 5988, 35429, 49169, 70858, 98338, 106287, 141716, 147507, 196676, 212574, 295014, 425148, 590028, 3490999, 6981998, 10472997, 13963996, 20945994, 24535331, 41891988, 49070662, 73605993, 98141324, 147211986, 294423972, 1742008501, 3484017002, 5226025503, 6968034004, 10452051006, 20904102012]

約数ペア:

[(1, 20904102012), (2, 10452051006), (3, 6968034004), (4, 5226025503), (6, 3484017002), (12, 1742008501), (71, 294423972), (142, 147211986), (213, 98141324), (284, 73605993), (426, 49070662), (499, 41891988), (852, 24535331), (998, 20945994), (1497, 13963996), (1996, 10472997), (2994, 6981998), (5988, 3490999), (35429, 590028), (49169, 425148), (70858, 295014), (98338, 212574), (106287, 196676), (141716, 147507)]