20129580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37277}}^1$

素因数の和:37295

約数の個数: 48

約数和(自身を含む): 62627040

約数和(自身を除く): 42497460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37277, 74554, 111831, 149108, 186385, 223662, 335493, 372770, 447324, 559155, 670986, 745540, 1006479, 1118310, 1341972, 1677465, 2012958, 2236620, 3354930, 4025916, 5032395, 6709860, 10064790, 20129580]

約数ペア:

[(1, 20129580), (2, 10064790), (3, 6709860), (4, 5032395), (5, 4025916), (6, 3354930), (9, 2236620), (10, 2012958), (12, 1677465), (15, 1341972), (18, 1118310), (20, 1006479), (27, 745540), (30, 670986), (36, 559155), (45, 447324), (54, 372770), (60, 335493), (90, 223662), (108, 186385), (135, 149108), (180, 111831), (270, 74554), (540, 37277)]