20995875

素因数分解:

$3^3\times 5^3\times {\mathrm{6221}}^1$

素因数の和:6245

約数の個数: 32

約数和(自身を含む): 38825280

約数和(自身を除く): 17829405

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6221, 18663, 31105, 55989, 93315, 155525, 167967, 279945, 466575, 777625, 839835, 1399725, 2332875, 4199175, 6998625, 20995875]

約数ペア:

[(1, 20995875), (3, 6998625), (5, 4199175), (9, 2332875), (15, 1399725), (25, 839835), (27, 777625), (45, 466575), (75, 279945), (125, 167967), (135, 155525), (225, 93315), (375, 55989), (675, 31105), (1125, 18663), (3375, 6221)]