20370825

素因数分解:

$3^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 17543415

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 103, 135, 225, 293, 309, 515, 675, 879, 927, 1465, 1545, 2575, 2637, 2781, 4395, 4635, 7325, 7725, 7911, 13185, 13905, 21975, 23175, 30179, 39555, 65925, 69525, 90537, 150895, 197775, 271611, 452685, 754475, 814833, 1358055, 2263425, 4074165, 6790275, 20370825]

約数ペア:

[(1, 20370825), (3, 6790275), (5, 4074165), (9, 2263425), (15, 1358055), (25, 814833), (27, 754475), (45, 452685), (75, 271611), (103, 197775), (135, 150895), (225, 90537), (293, 69525), (309, 65925), (515, 39555), (675, 30179), (879, 23175), (927, 21975), (1465, 13905), (1545, 13185), (2575, 7911), (2637, 7725), (2781, 7325), (4395, 4635)]