20198657475

素因数分解:

$3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{228427}}^1$

素因数の和:228577

約数の個数: 48

約数和(自身を含む): 37389095040

約数和(自身を除く): 17190437565

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 131, 135, 225, 393, 655, 675, 1179, 1965, 3275, 3537, 5895, 9825, 17685, 29475, 88425, 228427, 685281, 1142135, 2055843, 3426405, 5710675, 6167529, 10279215, 17132025, 29923937, 30837645, 51396075, 89771811, 149619685, 154188225, 269315433, 448859055, 748098425, 807946299, 1346577165, 2244295275, 4039731495, 6732885825, 20198657475]

約数ペア:

[(1, 20198657475), (3, 6732885825), (5, 4039731495), (9, 2244295275), (15, 1346577165), (25, 807946299), (27, 748098425), (45, 448859055), (75, 269315433), (131, 154188225), (135, 149619685), (225, 89771811), (393, 51396075), (655, 30837645), (675, 29923937), (1179, 17132025), (1965, 10279215), (3275, 6167529), (3537, 5710675), (5895, 3426405), (9825, 2055843), (17685, 1142135), (29475, 685281), (88425, 228427)]